CNN's national security analysts Peter Bergen just returned from Pakistan, where he just returned from Pakistan, where he visited the town where Osama bin Laden was killed. He talks about the various conspiracy theories surrounding bin Laden's death -- and how al-Qaide has changed in recent years.
American journalist David Rohde escaped last year from a Taliban stronghold in northern Pakistan after being held for seven months. It's the same region where the suspected Times Square bomber reportedly trained. Rohde, who is currently on leave from The New York Times, explains the conflicted history of the region.