No matter what your profession – doctor, lawyer, architect, accountant – if you are an American, you better be good at the touchy-feely service stuff, because anything that can be digitized can be outsourced to either the smartest or the cheapest producer.

The hidden hand of the market will never work without a hidden fist -- McDonald's cannot flourish without McDonnell Douglas, the builder of the F-15. And the hidden fist that keeps the world safe for Silicon Valley's technologies is called the United States Army, Air Force, Navy and Marine Corps.

We're going in the wrong direction and I think the only way to counter that is to bring the story home in really concrete ways to people - in ways that kids can understand and non-scientists can understand.

Watching both the health care and climate/energy debates in Congress, it is hard not to draw the following conclusion: There is only one thing worse than one-party autocracy, and that is one-party democracy, which is what we have in America today. One-party autocracy certainly has its drawbacks. But when it is led by a reasonably enlightened group of people, as China is today, it can also have great advantages.

When you lose your job, the unemployment rate isn't four percent, it's 100 percent.

What if we're wrong and there is no climate change? Well, by doing everything possible to address it, we will still use less water, stimulate new energy savings and, in time, money-saving technologies, enjoy cleaner air, and preserve more forests and trees and animals.

I think no country is going to be immune from the Arab awakening because the Arab awakening is driven by deep human longing for dignity, for justice and for freedom. I think that applies to young people in Saudi Arabia as much as to young people in Egypt, Tunisia, or Yemen, or Libya, or Syria. If I were in Saudi Arabia, I would be getting ahead of this and looking for ways to appreciate those aspirations and align my country with them.