Neanderthal cloning? Pure fantasy

A display of a reconstruction of a Neanderthal man and boy at the Museum for Prehistory in Eyzies-de-Tayac, France.

STORY HIGHLIGHTS

• Arthur Caplan: It would be unethical to try and clone a Neanderthal baby


• Caplan: Downsides include a good chance of producing a baby that is seriously deformed


• He says the future belongs to what we can do to genetically engineer and control microbes


• Caplan: Microbes can make clean fuel, suck up carbon dioxide, clean fat out of arteries

Editor's note: Arthur Caplan is the Drs. William F and Virginia Connolly Mitty professor and director of the Division of Bioethics at New York University Langone Medical Center.

(CNN) -- So now we know -- there won't be a Neanderthal moving into your neighborhood.

Despite a lot of frenzied attention to the intentionally provocative suggestion by a renowned Harvard scientist that new genetic technology makes it possible to splice together a complete set of Neanderthal genes, find an adventurous surrogate mother and use cloning to gin up a Neanderthal baby -- it ain't gonna happen anytime soon.

Nor should it. But there are plenty of other things in the works involving genetic engineering that do merit serious ethical discussion at the national and international levels.

Arthur Caplan

Some thought that the Harvard scientist, George Church, was getting ready to put out an ad seeking volunteer surrogate moms to bear a 35,000-year-old, long-extinct Neanderthal baby. Church had to walk his comments back and note that he was just speculating, not incubating.

Still cloning carries so much mystery and Hollywood glamour thanks to movies such as "Jurassic Park," "The Boys From Brazil" and "Never Let Me Go" that a two-day eruption of the pros and cons of making Neanderthals ensued. That was not necessary. It would be unethical to try and clone a Neanderthal baby.

Why? Because there is no obvious reason to do so. There is no pressing need or remarkable benefit to undertaking such a project. At best it might shed some light on the biology and behavior of a distant ancestor. At worst it would be nothing more than the ultimate reality television show exploitation: An "Octomom"-like surrogate raises a caveman child -- tune in next week to see what her new boyfriend thinks when she tells him that there is a tiny addition in her life and he carries a small club and a tiny piece of flint to sleep with him.

The downsides of trying to clone a Neanderthal include a good chance of killing it, producing a baby that is seriously deformed, producing a baby that lacks immunity to infectious diseases and foods that we have gotten used to, an inability to know what environment to create to permit the child to flourish and a complete lack of understanding of what sort of behavior is "normal" or "appropriate" for such a long-extinct cousin hominid of ours.

When weighed against the risks and the harm that most likely would be done, it would take a mighty big guarantee of benefit to justify this cloning experiment. I am willing to venture that the possible benefit will never, ever reach the point where this list of horrible likely downsides could be overcome.

Even justifying trying to resurrect a woolly mammoth, or a mastodon, or the dodo bird or any other extinct animal gets ethically thorny. How many failures would be acceptable to get one viable mastodon? Where would the animal live? What would we feed it? Who would protect it from poachers, gawkers and treasure hunters? It is not so simple to take a long dead species, make enough of them so they don't die of isolation and lack of social stimulation and then find an environment that is close enough and safe enough compared with that which they once roamed.

In any event the most interesting aspects of genetic engineering do not involve making humans or Neanderthals or mammoths. They involve ginning up microbes to do things that we really need doing such as making clean fuel, sucking up carbon dioxide, cleaning fat out of our arteries, giving us a lot more immunity to nasty bacteria and viruses and helping us make plastics and chemicals more efficiently and cheaply.

In trying to make these kinds of microbes, you can kill all you want without fear of ethical condemnation. And if the new bug does not like the environment in which it has to exist to live well, that will be just too darn bad.

The ethical challenge of this kind of synthetic biology is that it can be used by bad guys for bad purposes. Biological weapons can be ginned up and microbes created that only infect people with certain genes that commonly associate with racial or ethnic groups.

Rather than worry about what will happen to real estate values should a new crop of "Flintstones" move in down the street, our public officials, religious groups and ethicists need to get serious about how much regulation the genetic engineering of microbes needs, how can we detect what terrorists might try to use, what sort of controls do we need to prevent accidents and who is going to pay if a bug turns out to cause more harm than good.

We love to think that the key to tomorrow lies in what humanity can be designed or empowered to do. Thus, the fascination with human cloning. In reality, at least for a long time to come, the future belongs to what we can do to design and control microbes. That is admittedly duller, but it is far better to follow a story that is true than one such as Neanderthal cloning that is pure, speculative fantasy.

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The opinions expressed in this commentary are solely those of Arthur Caplan.

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British PM reaches out to Europe at Davos

DAVOS: British Prime Minister David Cameron insisted Thursday he was not turning his back on Europe as he came face to face with world leaders for the first time since unveiling plans for an EU referendum.

The global elite gathered at the World Economic Forum in Davos and discussed issues ranging from the civil war in Syria and the conflict in Mali to the need to counter tax avoidance by multinational corporations.

But the hot topic at the snowy Swiss ski resort was Cameron's relations with his European Union partners one day after he unveiled his controversial proposal to let the British public vote whether to stay in the bloc.

Cameron held talks with German Chancellor and EU powerbroker Angela Merkel and the prime ministers of Ireland, Italy and the Netherlands at the annual forum as he tried to win their backing for his plans.

"This is not about turning our backs on Europe -- quite the opposite," Cameron told the audience of business leaders, top politicians and journalists.

"It's about how we make the case for a more competitive, open and flexible Europe, and secure the UK's place within it."

His announcement on Wednesday that he wants to renegotiate Britain's relationship with Brussels and then hold an "in-or-out" referendum on membership by the end of 2017 has delighted his increasingly anti-EU party at home.

European leaders in Davos called on Britain to stay in the 27-nation group and made encouraging noises in public, but there were signs he has a mountain to climb to convince them of his case.

Dutch premier Mark Rutte warned that without the EU, Britain would be "an island somewhere in the middle of the Atlantic Ocean, somewhere between the United States and Europe".

Irish Prime Minister Enda Kenny said the EU would be "stronger if Britain is part of it."

Merkel meanwhile sidestepped the topic but reached out to Cameron by vowing more action on one of the key reforms he wants for Europe -- boosting competitiveness.

"I say this expressly to my colleague David Cameron. You too have addressed competitiveness, see this as a central issue to ensure Europe's prosperity for the future," she said.

Former US secretary of state Henry Kissinger told the forum that the "idea of European unity needs to be resolved" for the continent to fully recover from the three-year eurozone debt crisis.

But Cameron rejected any idea of a European superstate or of Britain ever adopting the euro and added that he did not agree that "there should be a country called Europe".

Cameron said in his speech that Britain's presidency of the Group of Eight leading world economies -- Britain, Canada, France, Germany, Italy, Japan, Russia and the United States -- would focus on tackling tax avoidance.

He said multinational corporations must "pay their fair share" of taxes and that too many businesses were abusing tax schemes.

Looking farther afield, UN Secretary General Ban Ki-moon urged members of the Security Council to "overcome the deadlock" and find a solution to the bloodshed in Syria, where 60,000 people have died in the past 22 months.

Russia and China have blocked three previous resolutions threatening sanctions against Syrian President Bashar al-Assad but Ban said letting the conflict go on was an "abdication of our collective responsibility to protect."

Ban also called for the world to help end the crisis in Mali, where a French-led military offensive against Islamist militants is under way.

Davos lived up to its reputation as a venue where deals are sewn up on the sidelines as Ukraine and global oil giant Royal Dutch Shell signed a US$10-billion shale gas deal.

The invitation-only meeting is also known for its lavish cocktail parties -- but with the glitzy guest list comes tight security, with around 5,000 police and military guarding the venue and helicopters buzzing overhead.

- AFP/jc

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After threats, North Korea's secrecy a challenge for U.S.

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

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STORY HIGHLIGHTS

• NEW: The U.S. secretary of defense says predicting a North Korean test is difficult


• Pyongyang says it plans a new nuclear test and further long-range rocket launches


• These are part of an "all-out action" targeting the United States, it says


• North Korea is upset by a recent U.N. Security Council resolution, an analyst says

Seoul, South Korea (CNN) -- North Korea said Thursday that it plans to carry out a new nuclear test and more long-range rocket launches, all of which it said are a part of a new phase of confrontation with the United States.

The North's National Defense Commission said the moves would feed into an "upcoming all-out action" that would target the United States, "the sworn enemy of the Korean people."

Carried by the state media, the comments are the latest defiant flourish from the reclusive North Korean regime, whose young leader, Kim Jong Un, has upheld his father's policy of pursuing a military deterrent and shrugging off international pressure.

U.S. Secretary of Defense Leon Panetta said Thursday there are no "outward indications" that North Korea is about to conduct a nuclear test, but he admitted it would be hard to determine that in advance.

"They have the capability, frankly, to conduct these tests in a way that makes it very difficult to determine whether or not they are doing it," he said in a Pentagon press conference.

"We are very concerned with North Korea's continuing provocative behavior," he said, but he added that the United States is "fully prepared" to deal with any provocations.

Read more: U.N. Security Council slams North Korea, expands sanctions

North Korea's statement prompted France and Great Britain to express exasperation with the secretive regime.

Britain's mission to the United Nations called on North Korean leaders to "refrain from further provocation." France said it "deplores" North Korea's statement, telling its leaders that they need not to threaten, but instead to work toward dismantling their nuclear and missile programs.

In addition to Panetta's statement, the United States responded by adding sanctions against more bank officials and a business linked to the regime's nuclear weapons program.

The Treasury Department announcement targets two Beijing-based representatives of Tanchon Commercial Bank and a company -- Leader (Hong Kong) International Trading Limited -- that the U.S. government says shipped machinery and equipment in support of North Korea's nuclear program.

The organizations are "part of the web of banks, front companies and government agencies that support North Korea's continued proliferation activities," said Under Secretary for Terrorism and Financial Intelligence David S. Cohen.

"By continuing to expose these entities, and the individuals who assist them, we degrade North Korea's ability to use the international financial system for its illicit purposes," he said.

North Korea's statement followed a U.N. Security Council resolution approved Tuesday that the United States pushed for, condemning a recent rocket launch by North Korea and expanding existing sanctions.

Read more: North Korea silences doubters, raises fears with rocket launch

The statement "should have been the expected outcome" from the U.N. decision, said Daniel Pinkston, senior analyst for the International Crisis Group covering Northeast Asia.

"I think they are completely outraged and insulted by it," he said.

Read more: N. Korea's launch causes worries about nukes, Iran and the Pacific

North Korea, which often issues bellicose statements in its state media, said Thursday that it rejects all Security Council resolutions concerning it, describing the most recent resolution as "the most dangerous phase of the hostile policy" toward it.

Read more: U.S. official: North Korea likely deceived U.S., allies before launching rocket

Analyst: Threat meant as a deterrence

The threats toward the United States, a constant theme in the North's propaganda, have more to do with deterrence than a desire for full conflict, Pinkston said.

"I don't believe they have the capability, the intention or the will to invade or destroy the United States," he said. "They wish to deter interference from the U.S. or any outside powers."

Read more: North Korea's rocket launches cost $1.3 billion

North Korea's successful rocket launch last month nonetheless changed the strategic calculations for the United States, showing that the North's missile program is advancing despite an array of heavy sanctions imposed on it.

Analysts say it still has a lot of work to do to master the technology necessary to mount a nuclear warhead on a missile or accurately target it.

At the same time, Pyongyang has been hinting for a while that a new nuclear test could be in the cards.

Read more: South Korean officials: North Korean rocket could hit U.S. mainland

Just before the North sent out its latest hostile statement Thursday, a U.S. State Department official was telling reporters in Seoul that Washington hoped Pyongyang wouldn't go ahead.

"We think that that would be a mistake, obviously," said Glyn Davies, the U.S. special envoy on North Korea. "We call on North Korea, as does the entire international community, not to engage in any further provocations."

North Korea has carried out two previous nuclear tests, in 2006 and 2009, both of which were condemned by the United Nations.

Read more: Huge crowds gather in North Korean capital to celebrate rocket launch

Pyongyang didn't say Thursday when exactly it would carry out a third test, but it could happen "at any time," according to Pinkston.

He said it is hard for anybody outside the North Korean nuclear sector to know if the country is technically ready to carry out the test, but that politically, "it seems an appropriate time."

Demands unlikely to sway North

South Korean defense officials said last year that they believed the North was in a position to carry out a new test whenever leaders in Pyongyang gave the green light.

North Korea's nuclear program is "an element of threat to peace not only for Northeast Asia but also for the world," Park Soo-jin, deputy spokeswoman for the South Korean Unification Ministry, said Thursday.

"North Korea should immediately stop its nuclear test and other provocation and should choose a different path by cooperating with the international community," Park said.

That appears unlikely at this stage, though.

After a failed long-range rocket launch in April, North Korea ignored international condemnation and carried out a second attempt last month. That one succeeded in putting a satellite in orbit, Pyongyang's stated objective.

But the launch was widely considered to be a test of ballistic missile technology. And it remains unclear if the satellite, which the North insists is for peaceful purposes, is functional.

Both North Korea's previous nuclear tests took place weeks or months after long-range rocket launches.

Those tests were carried out under the rule Kim Jong Il, the father of the current leader, and the man who channeled huge amounts of money into North Korea's nuclear and missile development programs.

Kim Jong Il died in December 2011 after 17 years in power, during which the North Korean people became increasingly impoverished and malnourished.

Economically, the country relies heavily on trade with its major ally, China.

On Tuesday, China's Foreign Ministry appealed for calm.

Spokesman Hong Lei urged North Korea and the West to "keep calm, remain cautious and refrain from any action that might escalate the situation in the region."

Read more: For the U.N. and North Korea: Game on

CNN's K.J. Kwon reported from Seoul, and Jethro Mullen from Hong Kong. CNN's David Hawley in Seoul contributed to this report.

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A question of access? Mental health and gun violence

As President Obama faces opposition from gun rights advocates over his recent proposals to combat gun violence, the challenge he faces of fixing flaws in the mental health care system may prove just as difficult a battle.

Mr. Obama outlined plans aimed at preventing mass shootings and reducing broader gun violence in the United States last week, while signing 23 executive actions that did not require Congressional approval. Alongside proposed changes to gun laws including universal background checks, a stronger ban on assault weapons and new restrictions on ammunition and magazines, mental health emerged as a core feature of the president's plan to prevent further tragedies like the Dec. 14 shooting in Newtown, Conn.

The executive actions related to mental health included:

• A letter to health care providers clarifying that no federal law prohibits them from reporting threats of violence to law enforcement authorities
• Incentives for schools to hire school resource officers
• A letter to state health officials clarifying the scope of mental health services that Medicaid plans must cover
• Finalization of regulations clarifying essential health benefits and parity requirements within health insurance exchanges
• A commitment to finalizing mental health parity regulations
• The launch of a national dialogue led by the departments of Health and Human Services and Education on mental health
• A Presidential Memorandum directing the Centers for Disease Control to research the causes and prevention of gun violence
• Clarification that the new health care law does not prohibit doctors from asking their patients about guns in their homes

Noting that it was the first of its kind to focus on mental health since 2007 -- and long overdue -- Iowa Sen. Tom Harkin chaired a hearing of the Senate Health, Education, Labor and Pensions Committee Thursday.

Harkin laid out that while Newtown has brought the issue to the forefront of discussion, mental illness only accounts for a small proportion of violent crimes.

Experts estimate only a small percentage of violent crimes -- less than 5 percent -- are caused by mentally ill people.

"People with mental illness are much more likely to be the victims of violent crimes than perpetrators of violence," said Harkin, who called mental health care's shortcomings a public health problem.

A common theme throughout the hearing was to avoid stigmatizing people with mental illness while discussing gun violence and problems facing mental health care.

Play Video

Mental health expert: "We can and must intervene early"

Pamela S. Hyde, administrator for the government's Substance Abuse and Mental Health Services Administration (SAMHSA) laid out the scope of the mental health care problem during the hearing (video at left). Of the 45 million U.S. adults suffering from mental illness, only 38.5 percent receive the treatment they need, she said. For children, only one in five receive necessary treatment for diagnosable mental disorders. Despite showing symptoms, many children and adults experience significant delays getting into treatment. Hyde argues that if the system shifts to a focus on early intervention, more people can be helped.

"Cost, access and recognition of the problems are the primary reason this treatment is not received. However it doesn't have to be this way," said Hyde. "For most of these conditions, prevention works, treatment is effective and people do in fact recover."

Unfortunately, mental health care spending has been dramatically cut in recent years. A 2011 report from the National Alliance on Mental Health that looked at state-by-state mental health budgets reported $1.6 billion in state funding cuts from 2009 through 2012. Medicaid cuts at this time also negatively affected mental health care, the report showed. States are mulling increases in funding in light of the Newtown shooting.

And the health care system may only become more burdened in the near future: A July 2012 study by the Institute of Medicine, an advisory medical organization to the government, found an aging baby boomer population could cause a mental health care crisis by 2030, when the number of U.S. seniors is expected to double and necessary resources will be woefully lacking.

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The dangerous stigma of mental illness

Dr. Jeffrey Lieberman, chairman of psychiatry at Columbia University Medical Center in New York City, told CBS News senior correspondent John Miller in December that mental health care is a societal problem because the U.S. has not taken on the treatment of mental illness as effectively as it could.

"I think mental health is a big issue," Lieberman said at the time. "It's definitely related to the frequency of these seemingly senseless and wanton killings that occur. And the way it relates is that unfortunately, individuals who have specific forms of mental illness, if untreated, can be more prone to act in a way which is socially destructive and results in harm or killing like we saw happen."

Lieberman said a person who needs treatment for mental illness often faces barriers such as insurance coverage and accessibility to care, in addition to stigma -- while people getting treated for a disease like cancer face fewer "disincentives" to getting the best care.

Following the president's announcement, Lieberman told CBSNews.com that the new proposals are "on the right track" in terms of addressing issues in the mental health system, but much work remains to clarify how these actions will be implemented.

By getting more people with mental illness, impulse disorders and substance abuse issues into constant treatment, he said, they may be prevented from ever getting to a point where they are showing symptoms of mental illness -- and acting on violent impulses.

"Trying to say we should only do something when they get dangerous is very late in the process," said Lieberman.

Details on the president's proposals still need to be worked out, said Lieberman, who is also president-elect of the American Psychiatric Association. For example, the Mental Health Parity Act, which the president wanted to finalize in his executive actions, requires that mental health benefits are covered by insurance, similar to non-psychiatric health care benefits. However, the rules to determine what services are covered, how people become reimbursed and other stipulations have not been established, he said. The president also asked for clarification on Medicaid mental health services, which now typically covers people who have severe forms of mental illness. Lieberman argues policymakers may find that these services are not adequate, and broader services are needed.

Right now, doctors cannot provide mental health care services in what Lieberman refers to as a "financially viable way." He explains that patients seeking help for mental health may require a lot of support, not only from a doctor who may provide medication, but from therapists, case managers and social and vocational rehabilitation counselors who need to be more actively involved in the patient's lives. These team-based "multi-element treatment approaches" have been shown in studies to be effective, however these types of paid services just aren't available for people suffering from mental health problems. Meanwhile, a person with heart disease may see a cardiologist, a surgeon, a different doctor about stent management, a nutritionist for lifestyle tips, and other providers all covered by insurance.

"In mental health care it's the same thing -- you can't just see a psychiatrist and get a prescription," he said. "This is not just throwing different services at the problem, there's good evidence that these things work."

Dr. Jeffrey Swanson, a professor of psychiatry and behavioral sciences at Duke University School of Medicine, who has published several research papers on gun violence and mental health for more than a decade, agrees the current mental health system represents a complex public health problem facing the United States.

"The mental health system in the country, if you can call it that, is fragmented and grossly under-resourced," Swanson told CBSNews.com in an email. "It needs a lot of things, and more research into how to fix it -- at a time when there are more mentally ill people incarcerated than in hospitals -- is one of the needed things," he said.

A 2011 paper by Swanson published in Psychiatric Services examines the lack of data available on firearm use against strangers, and how it is impossible to reliably predict which specific individuals would engage in the most serious acts of violence.

But even if more CDC research stemming from the president's proposals strengthens the available data pool, Swanson argues these egregious acts of violence may still be impossible to predict.

Play Video

Can a mental disorder make someone violent?

"I think more access to evidence-based treatment and less access to guns, taken together, would have an impact on gun violence, at least on the margins. But prevent mass shootings? That's hard to say," Swanson said. "Those are almost inherently unpredictable, and often perpetrated by people with no gun-disqualifying mental health or criminal record -- until it's too late. Most of the measures in the President's proposal, even if enacted and implemented perfectly, would not necessarily have prevented the shootings in Tucson, Aurora, or Newtown."

While concerns persist on how the president's proposals will be implemented, the announcement was supported by various health organizations that had previously submitted recommendations to Vice President Joe Biden's White House Task Force on Gun Violence Prevention.

"NAMI applauds the President's plan for its significant provisions to strengthen and expand mental health services," Michael Fitzpatrick, executive director of the National Alliance on Mental Illness said in a statement following the proposals. "The mental health care system has long been broken. The challenge is not to fix it, but to build it anew, focusing on early screening, diagnosis, treatment and prevention. The President's plan takes important steps toward meeting that challenge."

Dr. Dilip V. Jeste, president of the American Psychiatric Association, added in statement, "We are heartened that the Administration plans to finalize rules governing mental health parity under the 2008 Mental Health Parity and Addiction Equity Act, the Affordable Care Act, and Medicaid. "We are glad that the President has clarified that doctors are not prohibited from asking their patients about guns in their homes. The APA has consistently advocated for such a position."

The American Academy of Pediatrics also offered its support.

"In addition to addressing firearm regulations, we must improve access to quality mental health care both to help prevent violent acts and to assist victims of trauma," AAP President Dr. Thomas K. McInerny, said in a statement following the proposals. "The AAP agrees with the President that we must improve the identification of mental illnesses through increased screening, address inadequate insurance coverage and high out-of-pocket costs that create barriers to access, strengthen the overall quality of mental health access, and improve and expand the Medicaid reimbursement policy to include mental health and developmental services.

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Manti Te'o Doesn't Know Why He Was Hoaxed

Manti Te'o still doesn't know why he was the victim of a hoax that left him scared, confused and the butt of countless jokes, he said in an exclusive interview with ABC News' Katie Couric.

Te'o says Ronaiah Tuiasosopo has spoken to him by Twitter and then in a phone call to confess to engineering the elaborate hoax, but gave little explanation for his actions.

"He just basically... explained what he did and why he did it," Te'o told Couric. But he added, "He didn't say why [he did it]. He just explained that he wanted to help people and that was his way of helping people, of being someone that he wasn't..."

The star linebacker for Notre Dame added, "Obviously, it didn't really help me out, but, you know, I didn't really say anything. I was still speechless. I just found out everything that I believed to be my reality wasn't actually reality at all."

Click here for an infographic that breaks down the connections between the key players.

Te'o, 21, has been alternately questioned and lampooned over his role in the hoax that led him and the public to believe that his girlfriend Lennay Kekua died of leukemia as Te'o led the Notre Dame football team to an undefeated season that culminated in the national championship game.

Lorenzo Bevilaqua/Disney-ABC

Manti Te'o Girlfriend Hoax: Katie Couric Interview Watch Video

Manti Te'o Girlfriend Hoax: Could Alleged Scammer Be Charged? Watch Video

Te'o said Tuiasosopo broke the news to him about the prank in a direct message on Twitter on Jan. 16.

An excerpt of the message said, "It's the 16th. I wanted to tell you everything today. I will not say anything to anyone else before I tell you everything. I would and will never say anything bad about you or your family. I completely accept the consequences to the pain I've caused and it's important that you know the entire truth before anyone else."

Te'o has struggled with becoming a national punching bag and the butt of many jokes.

"It's been difficult," he said. "Not only for myself, but to see your last name and just to see it plastered everywhere and to know that I represent so many people and that my family is experiencing the same thing. I think that's what was the most hard for me."

Click here for a who's who in the complex hoax.

In terms of his prior relationship to Tuiasosopo, Te'o said that it is not true that he and Tuiasosopo were family or even family friends.

"Previous to that conversation that he and I had on Jan. 16, I had only talked to Ronaiah twice and he, from my understanding, was Lennay's cousin," Te'o said. "The only time I would talk to Ronaiah was when I couldn't find Lennay."

Te'o said his greatest regret is lying to his father about meeting Lennay.

"I think the biggest lie that I'm sorry for is the lie that I told my dad," he said. "As a child, your biggest thing is to always get the approval of your parents and for me I was so invested in Lennay and getting to know her that when dad asked me, 'Hey, did you meet her?" I said, 'Yeah.'"

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2013 could be 'climate game-changer'

An ice sculpture entitled 'Minimum Monument' by Brazilian artist Nele Azevedo outside Berlin's Concert Hall, September 2, 2009.

STORY HIGHLIGHTS

• The "neglected" risk of climate change seems to be rising to the top of leaders' agendas


• Extreme weather events are costing the global economy billions of dollars each year


• Gas can be an important bridge to a lower carbon future but it's not the answer


• More investment in renewable energy is needed, with fewer risks

Editor's note: Andrew Steer is President and CEO of the World Resources Institute, a think tank that works with governments, businesses and civil society to find sustainable solutions to environmental and development challenges.

(CNN) -- As leaders gather for the World Economic Forum in Davos, signs of economic hope are upon us. The global economy is on the mend. Worldwide, the middle class is expanding by an estimated 100 million per year. And the quality of life for millions in Asia and Africa is growing at an unprecedented pace.

Threats abound, of course. One neglected risk -- climate change -- appears to at last be rising to the top of agendas in business and political circles. When the World Economic Forum recently asked 1,000 leaders from industry, government, academia, and civil society to rank risks over the coming decade for the Global Risks 2013 report, climate change was in the top three. And in his second inaugural address, President Obama identified climate change as a major priority for his Administration.

Andrew Steer

For good reason: last year was the hottest year on record for the continental United States, and records for extreme weather events were broken around the world. We are seeing more droughts, wildfires, and rising seas. The current U.S. drought will wipe out approximately 1% of the U.S. GDP and is on course to be the costliest natural disaster in U.S. history. Damage from Hurricane Sandy will cost another 0.5% of GDP. And a recent study found that the cost of climate change is about $1.2 trillion per year globally, or 1.6% of global GDP.

Shifting to low-carbon energy sources is critical to mitigating climate change's impacts. Today's global energy mix is changing rapidly, but is it heading in the right direction?

Coal is the greatest driver of carbon dioxide emissions from energy, accounting for more than 40% of the total worldwide. Although coal demand is falling in the United States -- with 55 coal-powered plants closed in the past year -- it's growing globally. The World Resources Institute (WRI) recently identified 1,200 proposed new coal plants around the world. And last year, the United States hit a record-high level of coal exports—arguably transferring U.S. emissions abroad.

Meanwhile, shale gas is booming. Production in the United States has increased nearly tenfold since 2005, and China, India, Argentina, and many others have huge potential reserves. This development can be an economic blessing in many regions, and, because carbon emissions of shale gas are roughly half those of coal, it can help us get onto a lower carbon growth path.

However, while gas is an important bridge to a low carbon future—and can be a component of such a future—it can't get us fully to where we need to be. Greenhouse gas emissions in industrial countries need to fall by 80-90% by 2050 to prevent climate change's most disastrous impacts. And there is evidence that gas is crowding out renewables.

Renewable energy -- especially solar and wind power -- are clear winners when it comes to reducing emissions. Unfortunately, despite falling prices, the financial markets remain largely risk-averse. Many investors are less willing to finance renewable power. As a result of this mindset, along with policy uncertainty and the proliferation of low-cost gas, renewable energy investment dropped 11%, to $268 billion, last year.

What do we need to get on track?

Incentivizing renewable energy investment

Currently, more than 100 countries have renewable energy targets, more than 40 developing nations have introduced feed-in tariffs, and countries from Saudi Arabia to South Africa are making big bets on renewables as a growth market. Many countries are also exploring carbon-trading markets, including the EU, South Korea, and Australia. This year, China launched pilot trading projects in five cities and two provinces, with a goal of a national program by 2015.

Removing market barriers

Despite growing demand for renewable energy from many companies, this demand often remains unmet due to numerous regulatory, financial, and psychological barriers in the marketplace.

In an effort to address these, WRI just launched the Green Power Market Development Group in India, bringing together industry, government, and NGOs to build critical support for renewable energy markets. A dozen major companies from a variety of sectors—like Infosys, ACC, Cognizant, IBM, WIPRO, and others— have joined the initiative. This type of government-industry-utility partnership, built upon highly successful models elsewhere, can spur expanded clean energy development. It will be highlighted in Davos this week at meetings of the Green Growth Action Alliance (G2A2).

De-risking investments

For technical, policy, and financial reasons, risks are often higher for renewables than fossil-based energy. Addressing these risks is the big remaining task to bring about the needed energy transformation. Some new funding mechanisms are emerging that can help reduce risk and thus leverage large sums of financing. For example, the Green Climate Fund could, if well-designed, be an important venue to raise funds and drive additional investments from capital markets. Likewise, multi-lateral development banks' recent $175 billion commitment to sustainable transport could help leverage more funds from the private and public sectors.

Some forward-looking companies are seeking to create internal incentives for green investments. For example, companies like Unilever, Johnson & Johnson, and UPS have been taking actions to reduce internal hurdle rates and shift strategic thinking to the longer-term horizons that many green strategies need.

Davos is exactly the type of venue for finding solutions to such issues, which requires leadership and coalition-building from the private and public sectors. For example, the the G2A2, an alliance of CEOs committed to addressing climate and environmental risks, will launch the Green Investment Report with precisely the goal of "unlocking finance for green growth".

Depending on what happens at Davos—and other forums and meetings like it throughout the year—2013 could just be a game-changer.

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The opinions expressed in this commentary are solely those of Andrew Steer.

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White House lifts hold on general for NATO job

WASHINGTON: President Barack Obama will go ahead with his nomination of General John Allen to command NATO after he was cleared in a saga related to the sex scandal that felled CIA director David Petraeus, officials said Wednesday.

"The investigation is now complete and General Allen's nomination to serve as the next Supreme Allied Commander Europe will proceed. We hope the Senate will consider it in a timely manner," White House spokesman Jay Carney said.

The Defense Department's inspector general exonerated Allen, currently the top general in Afghanistan, over emails sent to Florida socialite Jill Kelley, who threw parties for top brass at US Central Command.

The FBI came upon the emails from Allen in its probe of Petraeus, and defense officials had said the tone of the messages had been potentially "inappropriate" and possibly violated rules applying to military officers.

The scandal, over an affair with a biographer, prompted Petraeus to resign abruptly in November from his CIA post, ending a storied career marked by his tenure as military commander in the wars in Iraq and Afghanistan.

Initially, officials had said there were 25,000 to 30,000 pages of correspondence between Allen and Kelley, raising questions that his emails could reflect a distracted commander.

But officials later said the inquiry was only focused on a few hundred messages.

The scandal broke after Allen was nominated to take over as NATO's supreme allied commander, and his confirmation hearings before the US Senate were put on hold.

- AFP/jc

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Fiery Clinton

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Deep freeze grips Midwest, slides toward Northeast

MADISON, Wis. The Upper Midwest remained locked in a deep freeze Wednesday as the bitter temperatures crept eastward where at least one mountain resort warned it was too cold even to ski.

Overnight, ice-covered Chicago firefighters spent hours fighting a massive fire at a warehouse on the city's South Side, hindered by the single digit chill.

The cold snap arrived Saturday night as waves of Arctic air swept south from Canada, pushing temperatures to dangerous lows and leaving a section of the country well-versed in winter's pains reeling. The National Weather Service said states from Ohio through to the far northeast of Maine could expect to be slammed by that Arctic blast on Wednesday.

The numbers so far are chilling in themselves: 35 below at Crane Lake, Minn., on Tuesday; Embarrass, Minn., at 36 below on Monday; and Babbitt, Minn., at 29 below on Sunday, according to the National Weather Service.

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Frigid weather could precede Northeast snowstorm

Meteorologist Mike Augustyniak, of CBS station WCCO, says the overall weather pattern won't change Wednesday and Thursday "with really cold stuff settled in across the Northeast and now back again to the Upper Midwest."

But he added that the Northeast could get a nasty surprise at the end of this cold snap.

"By the weekend, a (warmup) will be happening. But as that happens, late Friday into Saturday, there could actually be several inches of snow moving through the mid-Atlantic," Augustyniak reports.

The weather service issued a wind chill warning for Wednesday in the far north of Maine. In Presque Isle and Caribou, temperatures are not expected to rise above 7 below. And the wind chill could make it feel more like 40 below. Vermont was similarly afflicted, with wind chill advisories and highs peaking in the single digits. Forecasters said Boston and New York City could expect temperatures in the double digits, but that the wind chill would make it feel 5 below. And in mid-Massachusetts, high winds up to 30 mph in Worcester will add to the weather misery.

At least one ski resort in New Hampshire was planning to close Wednesday and Thursday because of the extraordinary cold. Wildcat Mountain in the White Mountains region said it was expecting temperatures in the negative double digits and a wind chill of 48 degrees below zero — conditions that would not be safe for guests or employees on the slopes.

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Deadly freeze grips Midwest

Late Tuesday, some 170 Chicago firefighters — approximately one third of the city's fire department — turned out in frigid temperatures to battle a blaze at a warehouse on the South Side. Officials said the fire prompted the department's biggest response in recent years, according to The Chicago Sun-Times. Despite the scale of the fire, firefighters' soaked jackets and hats froze, and icicles formed and dangled from hoses and hydrants.

Authorities said exposure has played a role in at least four deaths.

On Sunday, a 70-year-old man was found frozen in his unheated home in Des Plaines, Ill. And in Green Bay, Wis., a 38-year-old man was found dead outside his home Monday morning. Authorities in both cases said the victims died of hypothermia and cold exposure, with alcohol a possible contributing factor.

A 77-year-old Illinois woman also was found dead near her car in southwestern Wisconsin on Saturday night, and a 61-year-old Minnesota man was pronounced dead at a hospital after he was found in a storage building Saturday morning.

The bitter conditions were expected to persist into the weekend in the Midwest through the eastern half of the U.S., said Shawn DeVinny, a National Weather Service meteorologist in suburban Minneapolis.

Ariana Laffey, a 30-year-old homeless woman, kept warm with a blanket, three pairs of pants and six shirts as she sat on a milk crate begging near Chicago's Willis Tower on Tuesday morning. She said she and her husband spent the night under a bridge, bundled up under a half-dozen blankets.

"We're just trying to make enough to get a warm room to sleep in tonight," Laffey said.

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Manti Te'o Tells Katie Couric His Emotions Were Real

Manti Te'o says that even though he was hoaxed by the supposed existence of a fake girlfriend, his inspirational story of playing through emotional pain "was all real and that's something that I can't fake."

Te'o made his comments to Katie Couric which will air the exclusive interview on Thursday.

Te'o, 21, has been alternately questioned and lampooned over his role in the hoax that led him and the public to believe that his girlfriend Lennay Kekua died of leukemia as Te'o led the Notre Dame football team to an undefeated season that culminated in the national championship game.

Te'o was also a finalist for the Heisman Trophy, which goes to the best college football player in the country. Couric asked the star linebacker whether the emotional "story line" of a girlfriend who died on the same day as his grandmother "helped propel you to second place in Heisman voting?"

"I don't know. I really don't know," Te'o replied.

See more exclusive previews tonight on "World News With Diane Sawyer" and "Nightline."

He was more certain, however, when Couric pressed him by pointing out that it had become "sort of a legend that you had endured this hardship and gone on to play your team and your school to victory... Did you feel like, wow, I'm getting a lot of attention for this?"

Te'o denied reveling in the attention.

Watch Katie Couric's interview with Manti Te'o and his parents Thursday. Check your local listings or click here for online station finder.

Lorenzo Bevilaqua/Disney-ABC

Manti Te'o Girlfriend Hoax: Could Alleged Scammer Be Charged? Watch Video

"I think for me the only thing I basked in was that I had an impact on people, that people turned to me and for inspiration and I think that was the only thing I focused on. You know my story I felt was a guy who in times of hardship and in times of trial really held strong to his faith, held strong to his family and I felt that that was my story," said Te'o, who is a Mormon.

Te'o said there was no acting in his emotions at the time when he thought the girl he called "Lala" had died of leukemia.

"What I went through was real. You know the feelings, the pain, the sorrow, that was all real and that's something that I can't fake," he said.

During the interview, Te'o said that he received a phone call on Dec. 6, apparently from the same woman he believed was dead, who told him she was alive. She said that her name was not Lennay Kekua, it was Leah. Teo has also said that woman sent him a different picture of herself.

Nevertheless, he again publicly mentioned his girlfriend, and her death, two days later on the day the Heisman trophy was to be awarded.

"You stuck to the script. And you knew that something was amiss, Manti," Couric said.

"Katie, put yourself in my situation. I, my whole world told me that she died on Sept. 12. Everybody knew that. This girl, who I committed myself to, died on Sept. 12," Te'o said.

"Now I get a phone call on Dec. 6, saying that she's alive and then I'm going be put on national TV two days later. And to ask me about the same question. You know, what would you do?" Te'o said.

Te'o was joined by his parents, Brian and Ottilia, in the interview.

"Now many people writing about this are calling your son a liar. They are saying he manipulated the truth, really for personal gain," Couric said to Te'o's father.

"People can speculate about what they think he is. I've known him 21 years of his life. And he's not a liar. He's a kid," Brian Te'o said with tears in his eyes.

Click here for a who's who in the Manti Te'o case.

Diane O'Meara told NBC's "Today" show Tuesday that she was used as the "face" of the Twitter account of Manti Te'o's online girlfriend without her knowledge or consent.

O'Meara said that Ronaiah Tuiasosopo used pictures of her without her knowledge in creating Kekua.

"I've never met Manti Te'o in my entire life. I've never spoke with him. I've never exchanged words with him," O'Meara said Tuesday.

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