Iraq today does have a chance to shape its own future. They may not do that, or this generation may not do that. But maybe the next one will, I don't know. They may try and fail, and stumble, get up and fall back.

If you want to get an advance machine tool job today, you need to know calculus. We know a lot of people don't, we can't expect everyone to know calculus, what do we do? We created a huge bubble that created a huge number of jobs to build houses and to be in retail. You don't have to have a lot of skills to work in the new Gap store that opened, at the latest Starbucks branch, or to hammer a nail for a new house.

I am always a little skeptical on the water thing because I have been hearing that for 30 years, but one year it's going to be true. With the rising populations, Yemen could be the first country in the world, or Sana'a the first major city in the world, to run out of water, that's from Yemeni hydrological engineers and the United Nations. Sooner or later, all of these people, from 7 to 9 billion, all of them want to live like America, will be consuming so much more water that some of the societies will hit a wall without more sustainable environmental practices.

In the hyperconnected world, there is only “good” “better” and “best.

A generation ago [the Democratic Party] stood for progressive change. Now they defend every federal program as if each were sacred. They have become the most conservative force in American politics.

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.

Criticizing Israel is not anti-Semitic, and saying so is vile. But singling out Israel for opprobrium and international sanction - out of all proportion to any other party in the Middle East - is anti-Semitic, and not saying so is dishonest.