John F. Burns; Bernard Lewis; 'Mean Girls'

Journalist John F. Burns reports from Baghdad on the bombing in Fallujah. Author Bernard Lewis examines the war in Iraq, Saddam Hussein, and Osama Bin Laden and introduces his book, "From Babel to Dragomans: Interpreting the Middle East." Tina Fey and Lorne Michaels talk about their hit film "Mean Girls."