I think that Mr. Snowden raised some legitimate concerns. How he did it was something that did not follow the procedures and practices of our intelligence community. If everybody took the approach that I make my own decisions about these issues, then it would be very hard to have an organized government or any kind of national security system.

I'll be honest, there have been times when I've listened to the rhetoric in Europe where an easy equivalent somehow between the United States and Russia and between how our governments operate versus other governments operate, where those distinctions aren't made.

The notion that we would condition Iran not getting nuclear weapons in a verifiable deal on Iran recognizing Israel is really akin to saying that we won't sign a deal unless the nature of the Iranian regime completely transforms. And that is, I think, a fundamental misjudgment.

I've said very clearly, including in a State of the Union address, that I'm against 'don't ask, don't tell' and that we're going to end this policy.

The globe is shrinking, the information age is bringing a lot of changes. People are anxious about their future and their children's futures.

It was not a religion that attacked us that September day. It was al-Qaeda. We will not sacrifice the liberties we cherish or hunker down behind walls of suspicion and mistrust.

[My kids] complained about Secret Service as they became teenagers, and Secret Service has done the very best job they could accommodating them, so it hasn't restricted any of their activities.