Is al-Qaida planning an attack to coincide with the tenth anniversary of September 11?"Of course they'd like to," says national security analyst Peter Bergen. "And some of the materials recovered in the [Osama] bin Laden compound indicate a desire to do something.
You know the feeling: You're driving and you spot a little-known memorial that makes you want to pull over and find out more. It could be a monument to some local hero or to a long-forgotten historical moment.
Michele Norris speaks with Dorien Schroeder, a team leader with Ocean's Research, who lived a Jaws-like moment when a great white jumped on deck of her team's research boat after they threw fish into the water to lure sharks closer.