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

I am not against working with Russia in areas of common interests at the same time. We're smart enough, or we should be smart enough to have a dual track policy. You know, walk and chew gum at the same time.

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.

The American tradition of foreign policy exceptionalism, our grand strategy as a nation, reaches back much further. Really at the turn - the end of the 19th century, when we achieved power a generation after the Civil War, the outlines of an American vision came into focus, and what we - it was based on two things. One, our realization that our values and our interests were the same, and that our business interests would advance as our values advanced in the world.

ISIS is the near-term threat, and that the longer - or the mid-term challenge is managing the rise of China. There's some evidence that that's the thinking of the [Donald Trump] administration. That's a perfectly reasonable approach. Well, if that's the case, then you surely want to have a united West to deal with both, and you want to have Russia alongside, but maybe not this Russia while it's busy trying to undermine your chief asset, which is a united West.

There are lots of secretaries who send off special envoys and yes, say, "Do a great job," and that's fine until it costs you something. And then they cut you off.

I think that President George W. Bush was ahead of most of his government, in realizing that Putin was not the person we thought he was.