Michael Bloomberg: “The window for action on gun control may be closing fast.”

I want you to know they realize that back then, I was wrong. And I'm sorry.

The President's words matter more than anybody else. And his job, I've always thought, is to be a unifier, not to be the leader of the party, but to be a leader of this country. There are consequences to words.

Somebody said, you know, that he's taller than me, he calls me Little Mike. And the answer is, Donald, where I come from we measure your height from your neck up. I am not afraid of Donald Trump. Donald Trump is ahead of us -- is afraid of…

There's no question about that. The COP21 agreement was designed in -- to favor America because the negotiators knew that it would be very hard, if not impossible, to get through an American Congress.