Obama's biggest mistake: U.S. President expresses regrets over Libya

There's been plenty of reaction and analysis following U.S. President Barack Obama recently admitting his biggest mistake. In an interview he said he regretted handling the aftermath of the fall of Libyan leader Muammar Gaddafi in 2011. He called the situation in Libya a mess, and said that the US and its allies could have done more to prevent the country's descent into chaos. CCTV's Jim Spellman has more