The Columbia is lost, but the dreams that inspired its crew remain with us.

I have not suggested there's a connection between Iraq and 9/11, but there's clearly an established Iraqi track record with terror.

It used to be you needed to have a very large sophisticated state before you could even have a nuclear weapon... Now the technology is widespread enough. It doesn't take very many people to be able to cobble together a devastating attack, and all it takes is one.

We do know, with absolute certainty, that Saddam Hussein is using his procurement system to acquire the equipment he needs in order to enrich uranium to build a nuclear weapon.

I mean, it's not just one day you get up, bang, and you got Osama bin Laden. It's the kind of thing where an awful lot of people over a long period of time - thousands have worked this case and these issues and followed on the leads and captured bad guys and interrogated them and so-forth.

I think President Obama is going to be a one-term president.

Well, we've got a major effort under way to try to educate everybody, to let them know we have a zero tolerance policy where sexual assault is involved.