I don't think there's any question that America is safer as a result of the bin Laden operation.

I think a quality that a national security adviser must have is the ability to set up procedures.

Clearly, Russia has lied to the world about what's going on in Ukraine. They have clearly violated the cease-fire agreements.

We have throughout our history been tested when it comes to the institutions of our democracy. And thank God our forefathers were smart enough to establish a government of checks and balances to make sure that power cannot be centralized in any one branch of government. And those institutions have proven themselves.

In the zero-sum budget game, every dollar spent on this problem [illegal immigration] must be taken from somewhere else....No, we should not tolerate people immigrating illegally. But we need to treat this issue honestly and fairly.

My whole life has been dedicated to public service.

Obama really does recognize the threats that are out there; I think he understands the world. He understands the role of America in that troubled world.