The terrorists who have succeeded in carrying out spectacular attacks against Western targets in the past have been college-educated, technically proficient men who are capable of manufacturing and deploying chemical, radiological, and biological weapons. Al Qaeda attracts the kind of highly educated men who one day might be able to pull off such an attack.

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.

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.

So Pakistan is a country that I'm very fond of and have spent a lot of time, but it is a country where conspiracy theories have a life of their own.

Often it is important to listen to what people aren't saying.

Why should Americans care about the Nazi back story in World War II? If you don't have the Nazi back story in World War II, World War II is simply not comprehensible.

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.