I started out as a Democrat.

Human beings are going to be relying on natural resources for a long time.

I spend a year at the Hoover Institute at Stanford, researching market approaches to air pollution control.

My schedulers keep getting driven crazy by the fact that they can't fit hikes in my schedule.

Predators make it much more difficult to find consensus. It's a lot easier to agree about birds and plants than about animals that endanger people and livestock.

In Washington, there's always an effort to label people.

I think today we recognize that economic activity needs to search for ways to protect the environment.