Canada sets aside 36 percent of their visas for people with skills they think their country needs. We set aside six percent. We educate the doctors, and then don't give 'em a green card.

I've always thought if we don't want to enforce laws on the books, we should remove them from the books. But when you have laws, you breed contempt if you don't enforce them.

This society cannot go forward, the way we have been going forward, where the gap between the rich and the poor keeps growing. It's not politically viable; it's not morally right; it's just not going to happen.

In fact, you see Hillary [Clinton] moving very far to the left. You see all the Republicans moving very far to the right.

You have to understand, we have better communications and better transportation, so people know what's available elsewhere and can get a message out, and you can move things. And you [can] say that the economy is more unpredictable.

And if I were the president, I'd go out there and I'd emphasize the things I have done, and I'd say, 'Some things haven't worked, and I'm sorry about that, but I keep trying.' And I'm - and I think the president is a very viable candidate, and you're going to have a real horse race here no matter who the Republican nominee is.

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.