We talk a lot about operational control, and that's having a better understanding of who's coming in and who's leaving, what the threat really is. We're never really going to get that.

Cairo has flights into JFK, and they're going to open another one at Dulles... As long as we have flights coming directly to the United States, I think it's putting Americans at risk.

I would argue it should be a policy to defeat ISIS where they are, where they exist and prevent them from coming into the United States.

Without - you know, good intelligence stops plots against the homeland. Without that intelligence, we cannot effectively stop it.

This is quite public knowledge. The South African government has said they're doing it. They've started seizing their first couple hundred farms.

I've got the greatest job in the world. There's no other job in government where cause and effect is so tightly coupled where you can make a difference every day in so many different ways and in so many different people's lives. It's a great challenge.

Refusing to lift sanctions and adopting tougher rhetoric toward Iran would not be partisan issues. Plenty of Democrats think that those actions are both good politics and good policy.

Four years in the White House and two presidential campaigns is an awful long time. In politics, every year in the White House is like dog years, six years off your life.