We think about our country and the big issues that we face in this country; creating jobs, making sure people can keep their jobs, the need for rising wages, whether our children when they graduate from college can find a job, protecting the homeland, destroying ISIS, rebuilding defense. These are all the things that we need to focus on but we'll never get there if we're divided. We'll never get there if republicans and democrats just fight with one another.

Frankly, we should publicly increase them [ anti-Russian sanctions ].

But, frankly, to try to create some sort of a religious standard in terms of who can come to America, we're a melting pot. And as long as people have positive and good intent, they ought to be able to come.

I don't look at polls, I pay no attention to them. I pay attention to the public, and the sense of where the public is on certain things, but you have to lead.

I'm not a big guy that believes that you gain energy from demonizing other people. I think you gain energy from giving people hope.

Let's start off with my father being a mailman.

I was a member of the Armed Services Committee for 18 years. I spent a big chunk of my life studying national security issues and our role in the world.