Ronald Reagan reached out to Gorbachev. At the same time, we were pushing back against the Soviets all over the world. He was able to do two things at once, and it worked out very well for us.

We`re a little bit low in the 1970s, right, post-Vietnam, Watergate era, malaise, all that, but this is more like the 1930s where the very notion of liberal democracy is being questioned, and that is disturbing.

The European Union, ok, right, it has a bureaucracy, right. It`s sometimes difficult to deal with but so what? You hire a couple of people like me to work the European Union, and it can be done. It`s pretty good.

We are a new nation conceived in liberty, and dedicated to the proposition that all men are created equal. That's what makes us Americans. When we sign onto that belief, we sign onto the core American identity, and that's very deep in us.

Realism as a foreign policy doctrine means basically you don't care about values; you consider them a luxury, and it leads to a kind of acquiescence in spheres of influence. Now, spheres of influence sound good if you're a graduate student, or a certain kind of - an academic with a certain habit of mind. But in fact, spheres of influence don't work out very well, certainly not for the victims, and there are always victims.

[Donald Trump administration] didn`t ask me to stay and 40 years seemed like enough.

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.