Communism was a great system for making people equally poor - in fact, there was no better system in the world for that than communism. Capitalism made people unequally rich.

I was in Bangalore, India, the Silicon Valley of India, when I realized that the world was flat.

The great thing about cheap natural gas, again it's cheap, and it provides a cleaner alternative to coal. But it's still a fossil fuel, and because it's still a fossil fuel, it still emits carbon.

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 think we have lost our groove as a country. One of the reasons was the attack on 9/11. We got knocked off our game. From a country that always exported hope we went into the business of exporting fear.

The poverty fighters resent the climate-change folks; climate folks hold summits without reference to biodiversity; the food advocates resist the biodiversity protectors. They all need to go on safari together.

Arnold Schwarzenegger said it best: "Your son is sick. Ninety-eight doctors give you one diagnosis, two doctors give you another. Who are you going to go with?" Well, why would it be the conservative position to go with the two? That's not conservative, that's crazy.