If we topple [Bashar] Assad, the result will be ISIS will take over Syria, and it will worsen U.S. national security interests.

We keep hearing from [Barack] Obama and Hillary Clinton and Washington Republicans that they're searching for these mythical moderate rebels. It's like a purple unicorn. They never exist. These moderate rebels end up being jihadists.

I believe in the American people. It's - I believe in trusting them, I believe in empowering them, and I think, at the end of the day, the only force strong enough to change the course we're on is the grass roots across the country.

I am not in the habit of supporting people who attack my wife and attack my father. That was not a blanket commitment that if you go and slander and attack Heidi that I'm going to nonetheless come like a servile puppy dog and say thank you very much for maligning my wife and maligning my father.

I feel quite confident there will never be a plane on the face of the Earth with my name on it.

I think that's a question for South Carolin and the last thing they need is people from outside the state coming in and dictating how they should resolve that issue [about flag].

I'm not going to impugn anyone's integrity. I'm not going to attack their character. And, in fact, I will happily praise both Donald Trump and Marco Rubio as men who I admire, as people who I'm not going to go personal with them.