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.

I said that more people in more places can now compete, connect and collaborate with equal power and equal tools than ever before.

The Middle East would always be an important trading partner in just a market sense, like America is a big market for us, Asia is a big market, Europe is a big market. You are going to have hundreds of millions of consumers there, from just a standard market point of view, from a very narrow American point of view.

I think that competition will exist even if we discover more oil. We're never going to know how much we have, or how long will it last. You are always going to want to have diversity of supply. I think the Middle East will remain a region of competition, of global competition, fighting for a long time.

You always have to remember that Mother Nature is a lot like your body. If your temperature goes from 98.6 to 100.6, you don't feel so good. If it goes from 100.6 to 102.6, well, you call the doctor. If it goes from 102.6 to 104.6, you're in the emergency room at a hospital. The same with Mother Nature - small changes in global average temperatures have a huge climate effect.

I don't know what the average income of Muslim-Americans is, but Muslim-American immigrants of recent vintage, I bet they have a very above-average representation in professional and business occupations.

You'll know the green revolution has been won when the word 'green' disappears.