Social Media May Hold Clues About Boston Bombing Suspect
Robert Siegel talks to Leon Aron, director of Russian studies at the American Enterprise Institute, about Chechnya. Many may not know the long and troubled history of terrorism in this region, and the disturbing link between Chechen rebels, al-Qaida and Osama bin Laden. According to information from multiple reports, the suspects are from Russia's North Caucasus region. They look at a Facebook-like social media site that the suspects posted on.