In the end, peace can be achieved only by hegemony or by balance of power.

A little uncertainty is good for everyone.

I do not believe that Putin intends to leave office in a Cold War atmosphere with the United States.

I see the future of China as growth. I think that historically China has often gone through periods of consolidation, and then periods of sort of weakening central authority. They undoubtedly face tremendous challenges.

We attempted to try to solve every problem in the world, out of a sense of moral obligations, and attitudes, and our history. But no country can solve every problem without exhausting itself. Therefore, we have to establish priorities.

Would food be considered an instrument of national power? ... Is the U.S. prepared to accept food rationing to help people who can't/won't control their population growth?

We're at a moment when the international system is in a period of change like we haven't seen for several hundred years. In some parts of the world, the nation state, on which the existing international system was based, is either giving up its traditional aspects, like in Europe, or as in the Middle East, where it was never really fully established, it is no longer the defining element. So in those two parts of the world, there is tremendous adjustment in traditional concepts.