Donald Trump is somebody who I think likes to mix it up and to have a vigorous debate.

I just want to say that the only thing less popular than putting money into banks is putting money into the auto industry.

We have to find ways in which, collectively, we agree there's some things that government needs to do to help protect us, that in this age of non-state actors who can amass great power, I want my government - and I think the German people should want their government - to be able to find out if a terrorist organization has access to a weapon of mass destruction that might go off in the middle of Berlin.

Their foreign policy is so disjointed, confusing, and chaotic that, really, people need to reexamine those who want to be involved in every war.

Owes unions who endorsed him; that's why he's in politics.

Because of you, in Afghanistan we've broken the momentum of the Taliban. Because of you, we've begun a transition to the Afghans that will allow us to bring our troops home from there. And around the globe, as we draw down in Iraq, we have gone after al Qaeda so that terrorists who threaten America will have no safe haven, and Osama bin Laden will never again walk the face of this Earth.

As a nuclear power - as the only nuclear power to have used a nuclear weapon - the United States has a moral responsibility to act.