I think [Donald Trump] has to do everything he can to set up a firewall between him and his businesses. But I think it's unrealistic for people to be saying, oh, he should just sell all of his businesses.

Let's say tomorrow that there was a president, that we elected a president that eliminated the bulk collection of data. Let's just say it happened. What do you think would happen? People are like 'the sky would fall. We would be overrun with jihadists.' Maybe we could rely on the Constitution. Maybe we could get warrants. ... If you make the warrant specific, there's no limit to what you can get through a warrant.

I think that by arming the allies of ISIS, the Islamic rebels against [Bashar] Assad, that we created a safe space or made that space bigger for ISIS to grow.

We should understand the limitations of war. We should understand the sacrifices our young men and women go through losing lives and limbs. And they should only do it for the highest of purposes.

The main thing I say on war is that we need to obey the law and formally declare war.

We are more polarized. And some of that comes from the people and some of that comes from the media.

The problem or the fundamental flaw of Obamacare was that they put regulations on the insurance, about 12 regulations, which increased the cost of the insurance. And so President Obama wanted to help poor, working-class people, but he actually hurts them by making the insurance too expensive to want to buy. I had someone at the house just recently was doing some work, and he said: "Oh, my son doesn't have insurance, he's paying the penalty because it's too expensive."