The thing you have to remember is, oil and gas are commodities, and the more we use them the more the price goes up, like any commodity. Solar, wind - they are technologies, so the more you use them, the more the price goes down.

I am hoping, though, that many of them have kids, who, when they have a moment to take a break from their iPods, Internet, or Google, will explain to their parents running the country just how the world is being flattened.

Iraq may still have a decent outcome...but even if it becomes Switzerland, we overpaid for it.

That's right-the striking thing about greenhouse gases is the diversity of sources that emit them. A herd of cattle belching can be worse than highway full of hummers.

I don't think that stability and the status quo go together at all, not in a flat world where people are integrated, where women are assuming new roles, where young people want to be consulted and participate. I think the trick is to open up, move down the path of reform, do it in a way that is consistent with your own society's stability and culture, and just don't think you can do nothing.

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.

A golf course should aspire to generate as much energy as it consumes - golf should be leading the way toward energy net zero.