We have to have a president who is clear that you don't deal with Russia based on staring into his eyes and seeing his soul. You deal with Russia based on, what are your - what are the national security interests of the United States of America? And we have to recognize that the way they've been behaving lately demands a sharp response from the international community and our allies.

Let's not play games. I was suggesting - you're absolutely right that John McCain has not talked about my Muslim faith.

Of course I have got concerns. Donald Trump and I differ on a whole bunch of issues.

In many ways [those middle-aged black ladies] my touchstone, because they are what I meant when I talked about the audacity of hope.

We have to have better intelligence. We have to have better interdiction capabilities. And so the issue is not how much we spend or how hard we try; the issue is are we doing it the right way? Are we being smart about it?

My wife has been my closest friend, my closest advisor. And ... she's not somebody who looks to the limelight, or even is wild about me being in politics. And that's a good reality check on me. When I go home, she wants me to be a good father and a good husband. And everything else is secondary to that.

He [Barack Obama] might have a pen, and he might have a phone, but what he does not have is the constitutional power to run this country like a dictator.