It's one thing to be certain, but you can be certain and you can be wrong.

[Bashar] Assad himself has said on several occasions recently that if the people of Syria don't believe I should be there in the future, then I would step - I would leave. He has said it. He has, on occasion, hinted that he wants a political settlement of one kind or another. I think it's up to his supporters, his strongest supporters, to make it clear to him that if you're going to save Syria, Assad has made a set of choices - barrel bombing children, gassing his people, torturing his people, engaging in starvation as a tactic of war.

I'm a Catholic, raised a Catholic. I was an altar boy. Religion has been a huge part of my life. It helped lead me through a war, leads me today.

My friends, that's trickle-down economics, and I believe every worker in America is tired of being trickled on by George W. Bush

I promise just to serve two terms. Republicans do it differently. They just have the son repeat the father's whole first term.

There is no bigger judgment for a president of the United States than how you take a nation to war.

It's one thing to be certain, but you can be certain and you can be wrong.