The Pentagon is actually a 10-story building, five up and five down.

The Pentagon is a series of wedges. So you have - the outer wedge has windows on the outside, and then inside of that, it has windows with an alleyway; then there's another wedge with windows outside, windows inside. And we call them the E Ring, the D Ring, the C Ring.

This radical Islam is a religious-based ideology. And you actually have to, when you deal with the ideology, you have to attack it on that basis.

By the end of 2008, clearly, the al Qaeda and Sunni insurgency had been relatively stabilized. And in the al Qaeda's mind, they were defeated. They actually said that in many of their transmissions that we were able to pick up. And the Shia militia, largely those trained by the Iranians in Basra and also in Sadr City, had been defeated.

I'm a New York kid, so when I saw that plane that hit the first building, I suspected it was terrorism - blue sky day.

Aircraft are always going to be something that terrorists are interested in because you bring down an airliner, you have drawn the world's attention.