Leon Panetta: “The President, I think, thinks that he's the smartest guy in the room. And that's the biggest mistake a president can…”

I think it's a -- it is something we've got to pay attention to because I think this is a dangerous moment. If we're facing other lone wolf terrorists in this country.

I think the House, both the Speaker, the Republicans, the Democrats, have to come together to now move this supplemental. It is critical to the message we send to the world about U.S. world leadership.

The message that went out from this meeting to the world is that United States credibility in dealing with our allies has taken a real hit.

Mr. Trump has always prided himself on being a dealmaker, pledging in his campaign that he would resolve such conflicts in the first few days of his presidency.