Leon Panetta: “the greatest threat to our security today is the national deficit.”

And that is the danger here: that rather than bringing peace, it's going to bring more war.

Well, look, I think one of the worst messages the United States is sending right now to the world and to Russia is, our delaying the supplemental request in terms of military aid to Ukraine, to Israel, to Taiwan, and what's essentially…

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.

I think it's pretty clear that that Mr. Trump has turned 80 years of U.S. foreign policy on its head.