No one was more shocked or angry than I was when we didn't find the weapons. I had a sickening feeling every time I thought about it. I still do.

Science is important, but so is ethics, so is balancing life. To destroy life to save life - it's one of the real ethical dilemmas that we face.

Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that the increase is due in large part to human activity.

I've heard the call. I believe God wants me to run for president.

Hundreds of thousands of American servicemen and women are deployed across the world in the war on terror. By bringing hope to the oppressed, and delivering justice to the violent, they are making America more secure.

Bill Clinton and I are friends; we see each other on the speaking circuit. He likes to be visible. I don't. And I draw no judgment either way.

Bin Laden says his own role is to tell Muslims, quote, 'what is good for them and what is not.'