Separation of powers is a problem for foreign policy.

The quicker we get about the business of reducing our reliance on oil the better.

Prejudice and bigotry are brought down...by the sheer force of determination of individuals to succeed and the refusal of a human being to let prejudice define the parameters of the possible.

Unless we improve our ability to provide a quality education for underprivileged kids, we're not going to really overcome in a massive way our past.

You will make a difference in the world, but not immediately. Your first obligation is to find something you like doing, because if you like doing it, you'll do it well.

I'm saying there is no way that I will do this, because it's really not me. I know my strengths, and governor Romney needs to find someone who wants to run with him. There are many people who will do it very, very well, and I'll support the ticket.

Most of the people who were responsible for 9/11 are now in custody or have been killed. But there are others, and they plot and they plan, and they hope to pull it off again. And while we have to be right 100 percent of the time, they only have to be right once. So there's no way to overreact to that.