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

John Kerry can be absolutely ruthless. I would not want to be on his enemies list when he's ready to go after you.

Animals interest me more than anything else.

Demeanor-wise, Reagan was a conservative, but a pragmatic conservative, and he found silver linings in things. He liked to be a mediator. He didn't like to have enemies around him.

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.

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.

Forget politics. The real story is the advancements being made in medicine. We're on the verge of conquering cancer and Alzheimer's and numerous other diseases. The DNA revolution has just begun. Scientific advancement usually trumps politics.