I commanded a naval gunboat patrolling the Mekong Delta. Then when I came home after two tours of duty, I decided that the same sense of service demanded something more of me.

If the tea party folks would go out there and get angry because they think their taxes are too high, for God's sake, a lot of citizens ought to get angry about the fact that they're being killed and our planet's being injured by what's happening on a daily basis by the way we provide our power and our fuel and the old practices that we have. That's something worth getting angry about.

What remains unchanged is the principle, which is that we do not launch wars without overwelming reasons, and overwhelming alliances, and without overwhelming force.

I think that for many of us, the years of the Civil Rights movements - Martin Luther King, Bobby Kennedy running for president in 1968 to end the war and so forth - these were defining moment in terms of trying to hold government accountable and have a level of responsibility and truth-telling.

[Bashar] Assad has made a series of choices ever since then that is literally destroying his country.

Republican secretaries of state from Kissinger to Baker, Powell to Rice, President Bush, 71 United States Senators all supported President Obama's new START treaty, but not Mitt Romney.

Too many people in America believe that if you are pro-choice that means pro-abortion. It doesn't. I don't want abortion. Abortion should be the rarest thing in the world. I am actually personally opposed to abortion. But I don't believe that I have a right to take what is an article of faith to me and legislate it to other people. That's not how it works in America.