I can't go out with a Republican.

And frankly, I don't understand - I mean, I'm obviously a card-carrying Democrat - but I can't understand why any woman would want to vote for Mitt Romney, except maybe Mrs. Romney.

When somebody is flying airplanes into buildings and killing innocent people in the name of God, it makes you question why do they have that interpretation and somebody else has another interpretation, and how many people of Muslim faith would agree with that, and what are the different aspects of different people's religions that is so divisive, rather than being unifying?

I hope I'm wrong, but I am afraid that Iraq is going to turn out to be the greatest disaster in American foreign policy - worse than Vietnam, not in the number who died, but in terms of its unintended consequences and its reverberation throughout the region.

Leaders are made by the situations they are involved in. I think that some rise to the occasion and some do not.

I think the jobs [at the top] are unbelievably difficult, and there is nothing easier than second-guessing people.

We have a responsibility in our time, as others have had in theirs, not to be prisoners of history but to shape history, a responsibility to fill the role of path-finder, and to build with others a global network of purpose and law.