I mean, we're going to probably debate the Iraq war for at least as long as I'm alive.
We did not go to war in Afghanistan or in Iraq to, quote, 'impose democracy.' We went to war in both places because we saw those regimes as a threat to the United States.
That sense of what happened in Europe in World War II has shaped a lot of my views.
One of the things that ultimately led me to leave mathematics and go into political science was thinking I could prevent nuclear war.
I told my father I had to try political science for a year. He thought I was throwing my life away.
Someone once said that history has more imagination than all the scenario writers in the Pentagon, and we have a lot of scenario writers here. No one ever wrote a scenario for commercial airliners crashing into the World Trade Center.
It's wonderful that so many people want to contribute to fighting aids or malaria. But, if somebody isn't paying attention to the overall health system in the country, a whole lot of money can be wasted.
I can't predict the future.
China, in the future, is going to have even more nuclear capability than it has had in the past. I don't believe that they have anything to fear from the United States, and I frankly don't believe they do fear the United States.