Donald Trump is succeeding right now for sure. He is a gifted politician. But, he is just a gifted politician. He`s just a gifted politician that is appealing to people`s anger and frustration that is quite legitimate.

The Russians and rogue actors, including ISIS - this is a serious part of the 21st century security challenge that we face.

I'd say my greatest weakness is impatience. I don't suffer fools well.

I think to deal with Putin, you need to deal from strength. He's a bully, you enable bad behavior when you're nuanced with a guy like that.

The good news is, we have a huge opportunity here because the President`s [Barack Obama] policies have failed.

I don't think a party can aspire to be the majority party if it's the old white guy party.

There's a fine line between stubbornness and the positive side of that, which is dogged determination.