Animals interest me more than anything else.

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.

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.

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.

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

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

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.