It's perfectly reasonable and responsible policy for any nation to maintain its sovereignty, to protect its borders. And [Donald] Trump does not believe in ending immigration. He's never proposed that.

I certainly believe that improving our intelligence is of important national interest.

I believe FEMA has been a little slow to respond.

Donald Trump believed that the whole history of trade agreements, most of which I've supported over the years, have not been effective, and I've come to believe he's right.

They [Republican voters] believe in a foreign policy that puts America first: Give me a break. And so a lot of our drift within our party has gotten away from that.