I'm a catalyst for change. You can't be an outsider and be successful over 30 years without leaving a certain amount of scar tissue around the place.

Climate change poses clear, catastrophic threats. We may not agree on the extent, but we certainly can't afford the risk of inaction.

I have never asked a prime minister for anything.

Becoming carbon neutral is only the beginning. The climate problem will not be solved by one company reducing its emissions to zero, and it won't be solved by one government acting alone. The climate problem will not be solved without mass participation by the general public in countries around the globe.

We're not spending enough money, but probably we let the teachers unions set curriculas which don't teach them the right things. There's not emphasis on the ...the basic learning that you need if you're going to go on in a college and into post-graduate work.

I am amazed that CNN can't get its act together.

Keith Olbermann is trying to make a business out of destroying Bill O'Reilly. He's done certain things to Bill O'Reilly that I believe were way over the line. I think that's bad behavior. But it's okay for him to criticize Bill. And Bill shouldn't be so sensitive. He should ignore that.