Leon Panetta: “We must ensure that we prevail in the conflicts in which we are now engaged.”

It is inexcusable not to do the proper planning that has to be done in order to make sure that their deployment is not overextended, that they’re getting the supplies they need, that they’re getting the support they need.

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

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.

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.