Freedom of speech, the right to dissent, the right to protest, that is what America is about. And politically every leader in this country and every American has got to stand up against any form of violence. That is unacceptable.

I want to see working people and young people come into the party in a way that doesn't exist now. And you know what, I want a 50-state strategy so the Democratic Party is not just the party of 25 states.

I think if we're looking at lasting peace in the Middle East, the United States has got to respect the needs of the Palestinian people. They cannot be pushed aside.

I think the way for [Marco] Rubio to say to [Donald] Trump supporters, hey, essentially he's conned you. He's a con man. That's what they do. You pour gold people.My goodness, that's not the way to bring them in.

I voted against the war in Iraq. I voted against the first Gulf War. I think war is the last resort - the last option of a great military power like us. I think that we need to focus on building coalitions. Yes, ISIS must be destroyed. But it should be destroyed by a coalition of Muslim nations on the ground with the support of the United States and the other major powers in the air and in training the troops there.

When Hillary Clinton ran against Senator [Barack] Obama she thought him naive because he thought it was a good idea to talk to our enemies. I think those are exactly the people you have to talk to and you have to negotiate with.

I took an oath to support and defend the Constitution of the United States, and I'm concerned that voting for this [anti-terrorism] legislation fundamentally violates that oath.