When we toppled [Muammar] Gadhafi in Libya, I think that was a mistake. I think ISIS grew stronger, we had a failed state, and we were more at risk.

If I have a weakness, it's that I try to live by the rules. I try to live by the rules, no matter what they are, and I was brought up that way as a kid. Play by the rules.

Bipartisanship is not what is missing in Washington. Common sense is.

To understand how Republicans lost the African American vote, we must first understand how we won the African American vote.

Any time you make an analogy to horrific people in history, Mussolini or Hitler, people say, 'Oh, you're exaggerating, you're talking about, it's hyperbole.' Maybe it is. ... But I would say is that if you are not concerned that democracy could produce bad people, I don't think you're really thinking this through too much.

I think Saudi Arabia often finances radical Islam and the teaching of hatred to the West and hatred of Americans. I think it is important that we know that. It's important that we know that there is a threat within and a threat without. I think we can stop it with more aggressive use of actual constitutional tools.

We still need to secure our southern border. The other thing I would say is we need to secure who visits us in the country.