I got to be White House chief of staff, ten years of congressman, secretary of defense, vice-president. If you're a political junkie like I obviously am - that was - every one of those was just a tremendous experience. I'm very comfortable with what I did and why I did it and how I did it. And I'll let others judge whether they liked it or not.

The important thing here to understand is that the people that are at Guantanamo are bad people. I mean, these are terrorists for the most part. These are people that were captured in the battlefield of Afghanistan or rounded up as part of the Al Qaeda network. We've already screened the detainees there and released a number, sent them back to their home countries. But what's left is hard core.

We've gotten a long way on missile defense. We know how to do it. We know how to take down incoming warheads, but we need to do a lot more work in order to be - to deploy a system that'll defend the United States against those kinds of limited strikes that might be possible by a nuclear armed North Korea or Iran.

I learned early on that if you don't want your memos to get you in trouble someday, just don't write any.

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

Another argument holds that opposing Saddam Hussein would cause even greater troubles in that part of the world, and interfere with the larger war against terror. I believe the opposite is true.

We need to have a pro-growth policy put in place that offers people hope and offers the opportunity for businesses to expand and for them to have confidence in what the world is going to look like for the next two or three or four years with respect to economic policy.