The usual practice is that the people in their jobs keep their jobs until their successors are named. Now, that`s the way the [George] Bush administration treated the [Bill] Clinton people. And that`s the way the [Barack] Obama administration treated the [George W.] Bush people.

Nationalism is like cheap alcohol. First it makes you drunk, then it makes you blind, then it kills you.

Remember, the American grand strategy works when other countries feel secure. But it doesn't work if we acquiesce in the aggression of other countries.

The same people the Americans sent over - that we sent over to advise the Russians, we also sent over to advise the Poles about how to build a post-communist economy. Same people, same advice, with radically different results, which leads to suspicion it's not our advice which was the crucial variable. It was the Poles, on one hand, and the Russians on the other. The Poles succeeded; the Russians didn't. Don't blame us.

The United States comes in 1945 and we basically blow the whistle.

There is nothing wrong when the Trump administration says it wants to find areas of common ground to work with Russia - perfectly reasonable. The question is, are you willing to pay the Russians in advance for the privilege of working with them in areas that are supposed to be of common interest, and that - I don't see the American interest in doing so.

Realism is important in foreign policy. You have to be realistic about what you can achieve, and about the pitfalls, and problems along the way, of which there are plenty. Nothing is easy. It's always rough.