John Kerry: “Of all the wrong choices that President Bush has made, the most catastrophic choice is the mess that he has made in…”

I have to admit to you, if anybody thinks it is radical to care about the protection of this planet for future generations, sign me up.

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.

I mean, we try to help the world.

It's a matter of mathematics and physics, not politics, not ideology. It is a response to the science.