Last night, Coca-Cola aired a new 2-minute anti-obesity ad that looks more like a public service announcement than a commercial. Is anyone buying the mega-corporation's attempts at rebranding itself as a health-focused company? Cindy Gallop, an advertising consultant who focuses on brand reinvention, has been watching the new Coca-Cola campaign closely.

Lance Armstrong apologized to the staff of his Livestrong Foundation staff in Austin, Texas yesterday, just a few hours before he taped an interview with Oprah Winfrey. It is during that interview that Armstrong reportedly confessed to doping throughout his cycling career. Paul Willerton, cyclist and former teammate of Lance Armstrong's, discusses Armstrong's decision to confess. 

President Barack Obama will soon begin his second term in office. A new Frontline documentary, produced by our partner WGBH, examines Obama's role as a negotiator on tough issues including the debt ceiling, and considers how the decisions taken during Obama's first term could potentially play out in the next four years of his presidency.

Ahead of the Obama administration's attempt to get some changes in gun laws, the state of New York has staked a claim first. The legislature there responded to the Sandy Hook tragedy with a late night vote that went 43 to 18. Some are calling it the the most restrictive gun control law in the country.

Born and raised in Mali, Assoumane Maiga traveled to the United States as a Fulbright scholar in 2009. Upon his return, Maiga spoke out about humanitarian crises in his hometown of Timbuktu, and was soon imprisoned, without reason, by the Malian military. He has since been released.

The national agenda on competitiveness and investing in education is centered on the acronym STEM, which stands for science, technology, engineering, and mathematics. It is these subjects that officials say need to be stressed in public schools to drive the future of the United States economy. But some educators, including John Maeda, think there is a spelling problem here.