Chuck Hagel: “I do not think we can minimize this threat, Senator, and I think it is going to be with us.”

We had better pay attention to what our scientists, our intelligence people, our military leaders are saying how serious this is and the impact it is going to have.

It is a responsibility of the Congress.

Our nuclear deterrent plays a critical role in assuring U.S. national security and it is DOD'S highest priority mission. No other capability we have is more important.

I think the GOP is in a lot of trouble. And I do think an encouraging sign, I think the strong control that Mr. Trump has exercised over the Republican Party is dwindling.