At one point people in al Qaeda were actually drawing monthly paychecks when they were based in Sudan.

Bin Laden was 200 miles away from the area where all of these drone strikes were taking out his key leaders in al-Qaida. He was able to indulge in his hobbies... He was making occasional video tapes and audio tapes for release to the wider world.

The image we have of bin Laden in his final years in Abbottabad is of an aging man with a graying beard watching old footage of himself; just another suburban dad flipping though the channels with his remote.

I stepped into the bedroom where he was killed and looked up at the ceiling, where you could still see the patterns of blood that had spurted from bin Laden's head when the bullet fired by a U.S. Navy SEAL tore through the terrorist leader's face.

If you don't understand what al Qaeda was trying to do on 9/11, if you don't have a sense of who Osama bin Laden is as a person, if you don't have a sense of what al Qaeda, the organization, was on 9/11, 9/11 appears to be more or less inexplicable.

There's some pretty good academic research that suggest that what Americans don't like is losing.

At one point people in al Qaeda were actually drawing monthly paychecks when they were based in Sudan.