Marco [Rubio] is a gifted politician. He is incredibly gifted. And he needs to be able to do his job. He's going to be a great candidate [for presidency], for sure. But I think - he's a United States senator. He ought to show up.

It's not possible in a free country to completely control the border without us losing our freedoms and liberties.

If we`re going get back into hypotheticals, I think it does a disservice to a lot of people that sacrificed a lot.

I have said that Mr. Trump's language is divisive.

I think people have good ideas on this. Clearly, we need to secure the border. Coming here legally needs to be a lot easier than coming here illegally.

I've had a life experience that's full of warts, full of successes.

I would say national security is work in progress.