I want to be very clear: I will not sign on to any health plan that adds to our deficits over the next decade.

I think that [having not a lot of time sweating the details] can be both a strength and a weakness. I think it depends on how [Donald Trump] approaches it. If it gives him fresh eyes, then that can be valuable. But it also requires you knowing what you don't know and putting in place people who do have the kinds of experience and background and knowledge that can inform good decision making.

Africa is on the move; a new Africa is emerging!

I came in with a healthy skepticism about these programs. My team evaluated them. We scrubbed them thoroughly. We actually expanded some of the oversight, increased some of the safeguards. But my assessment, and my team's assessment was that they help us prevent terrorist attacks. In the abstract, you can complain about 'Big Brother' and how this is a potential program run amok. But when you actually look at the details, then, I think we've struck the right balance.

As you get older, your mind gets a little more set. And it needs the poking and prodding and breaking through of stereotypes that I think young people provide.

We have to focus on how do we ensure the economy works for everybody, and not just a few.

Immigration keeps this country young, it keeps it dynamic, we have entrepreneurs and strivers who come here and are willing to take risks, and that's part of the reason why America historically has been successful.