We have arrived at a moment of decision. Our home - Earth - is in grave danger. What is at risk of being destroyed is not the planet itself, of course, but the conditions that have made it hospitable for human beings.

Believe in the power of your own voice. The more noise you make, the more accountability you demand from your leaders, the more our world will change for the better.

Judge Roberts is a brilliant lawyer, a brilliant judge. He is a very careful judge, a thoughtful judge. I would agree with what the President said earlier. He is a decent man. I think everybody who knows him likes him.

All I'm doing, all I have done for 40 years, is spend time with the best scientific experts, gain their confidence, and take advantage of their patience in explaining things to me over and over again in progressively simpler language that I can understand, so that I can read it back to them and get their sign off, where they say, "Yep, that's it, Al. You've got it." When I understand it, I know I can explain it to other people. When the scientists' predictions end up being true, I see that as an opportunity to say to people, "Listen carefully to what they're saying now."

It should be lifted above partisanship because it's a question of survival. It's a moral issue.

Iraq's search for weapons of mass destruction has proven impossible to deter and we should assume that it will continue for as long as Saddam is in power.

There are many who would much prefer that the word 'climate' never be mentioned and that the issue be eliminated from our national conversation.