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.

I voted to threaten the use of force to make Saddam Hussein comply with the resolutions of the United Nations.

Values are not just words, values are what we live by. They're about the causes that we champion and the people we fight for.

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

Regime change has been an American policy under the Clinton administration, and it is the current policy. I support the policy. But regime change in and of itself is not sufficient justification for going to war--particularly unilaterally--unless regime change is the only way to disarm Iraq of the weapons of mass destruction pursuant to the United Nations resolution.

America deserves a real discussion about real policy.

We don't differ with the government on the demands [on Iran], but we totally reject how Bibi is handling it. Bibi sacrificed good relations with the U.S. to keep the status quo on the Palestinians. He poked the [Obama] Administration in the eye on settlements just to appease right-wingers