Syria is on the back end of basically a decade-long drought. Over the last decade, farmers and herders have been ravaged in Syria forcing them to give up and move to urban areas. This has put a huge strain on urban resources, and it's surely one of the reasons for the uprising there.

If e-mail had been around before the telephone was invented, people would have said, 'Hey, forget e-mail! With this new telephone invention I can actually talk to people!'.

There is definitely global warming, and man is definitely contributing to it. Go out to, say, Montana and talk to some pretty conservative people, hunters and fishermen. They know that in the trout stream they fished when they were growing up, the trout are stressed because the water temperature is going up. They know the hunting season has been delayed because the snows are coming later, and therefore the elk aren't coming down from the mountains.

In the future, how we educate our children may prove to be more important than how much we educate them.

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

Capitalism makes people unequally rich. Communism makes people equally poor.

Even if America tomorrow - and it won't happen overnight - but if we did reduce our demand for gas and natural gas and crude oil by a significant degree, that does have an exponential effect on producers in the Middle East, everything else being equal. But if China's demand is growing and India's demand is growing, they are not going back.