Without Ukraine, Russia's imperial aspirations are essentially nostalgia, but it's not a real policy.

Today we are in a situation in which the free movement of people can have enormous, monumental dimensions, and I don't think that any country in Western Europe or in America can any longer adopt the idea of totally free movement of people. I t would simply overwhelm their social facilities, their societies and create migratory dynamics on the scales of tens and tens of millions of people. That simply is not practical.

Yes, ISIS is a threat. It's more than a nuisance. It's also in many respects criminal violence. But it isn't, in my view, a central strategic issue facing humanity.

Russia can be either an empire or a democracy, but it cannot be both. . . . Without Ukraine, Russia ceases to be an empire, but with Ukraine suborned and then subordinated, Russia automatically becomes an empire.

Too rich to be relevant to the world's poor, [Europe] attracts immigration but cannot encourage imitation. Too passive regarding international security. Too self-satisfied, it acts as if its central political goal is to become the worlds most comfortable retirement home. Too set in its ways, it fears multicultural diversity

Foreign policy should not be justified through making oneself feel good, but through results that have tangible consequences.

That [American exceptionalism] is a reaction to the inability of people to understand global complexity or important issues like American energy dependency. Therefore, they search for simplistic sources of comfort and clarity. And the people that they are now selecting to be, so to speak, the spokespersons of their anxieties are, in most cases, stunningly ignorant.