I know Hillary Clinton as a person. And as a personal friend, I would say yes, she'd be a good president. But she'd put me under a great conflict of interest if she were a candidate because I intend to support the Republicans.

China is a one party state. Sooner or later China will get to the point when the new social classes, which have emerged thanks to economic success, will have to be integrated into the political system. There is no guarantee that this process will run smoothly.

Some of the critics viewed Vietnam as a morality play in which the wicked must be punished before the final curtain and where any attempt to salvage self-respect from the outcome compounded the wrong. I viewed it as a genuine tragedy. No one had a monopoly on anguish.

In a nuclear war, even if one side were to come out ahead by systems analytical standards, both sides would be so weakened, that it would - they would be in the position of Europe after the two World Wars.

I believe that there is a whole set of issues in the world - environment, proliferation, energy, cyberspace - that can only be dealt with on a global basis. The traditional patterns of national rivalry and national competition are not suitable for those cases.

You can't make war in the Middle East without Egypt and you can't make peace without Syria.

Well, he keeps saying that, and as defense secretary, of course he has to think of a lot of potential enemies. I do not think it's a wise course to articulate this or to base our policy on it. And I do not see under modern circumstances what we would be fighting about.