I think there's a green side to John Kerry, if you like, that he's an environmental activist. His record on the environment is as best as you have on a pro-environment record of anybody in the U.S. Senate.

There is nobody that's ever going to fill Ted Kennedy's shoes, and that's a tall order for somebody in the family to try to live up to.

Politicians wanted to mine the Grand Canyon for zinc and copper, and Theodore Roosevelt said no.

I have a lot of books I want to write.

John Kerry doesn't think in terms of black-and-white. He's all gray, and he looks at all sides of the issues. That makes people think he likes to be devil's advocate. Whatever you say, he'll challenge you on.

It is a long revisionist road up from the bottom for George W. Bush. He is ranked toward the bottom rung of presidents.

Do we pour $40 billion into grandiose Louisiana engineering projects or do we instead put up no trespassing- signs in the areas below sea level? All are hard choices with various merits and pains. The important thing, however, is for America to decide whether the current policy of inaction is really the way we want to deal with the worst natural disaster in our history.