It's very hard for someone who makes $1,000 a year or some who makes less than $1 a day to care about the environment.

The two world wars boosted American power and devastated potential rivals to an extent that could not have lasted more than a few decades.

Climate is a global issue. Coal is still the energy that is being used more than anything else to make electricity. The United States is using less as we're turning more to gas. But, around the world, that's what they're using.

I believe that if you go and ask a chief executive of a Goldman Sachs or a BP, and they answer you honestly they want monopolies, they want government subsidies, they want preferences - they're not interested in free markets.

I was fifteen in college at Tulane. I lied about my age in college so that I could be normal socially. So that girls would go out with me and stuff like that. I just said I was normal age.

We live in a fantastically wealthy country. We don't have to worry about food. We don't have to worry about clothing. We don't have to worry about our safety. It's very easy for me to be an environmentalist. It's very easy for me to care about making sure that we protect the forests and the whales, and all that stuff.

I don't take things off. I either check things off or I add things.