America is interested in change and reform in the Middle East but in a stable way.

I don't think a monarchy led by 75- and 80-year-old men [Saudi Arabia] in today's modern world is really sustainable.

Golf has an ambivalent relationship with the environment. On one hand, it's a great preserver of open spaces. Golf doesn't pave the world - it helps to green the world. But the downside is, it uses a lot of fertilizer, pesticides and water. And this is in a world where we know that synthetic fertilizers and pesticides are toxic, and water is more and more scarce. Golf could do a lot more.

I think there are different kinds of elites. I think there are venal elites, and self-interested elites, and selfish elites, and I think there are visionary elites.

My mom enlisted in the U.S. Navy in World War II, and my parents actually bought our home thanks to the loan she got through the GI Bill.

Geopolitics is all about leverage. We cannot make ourselves safer abroad unless we change our behavior at home.

Almost all the students who make it to Caltech, one of the best scientific universities in the world, come from public schools. So it can be done.