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

it's shaping up to be “Trump’s Vietnam,”

Well, it certainly is concerning. You know, having been to the Munich conference a number of times, usually when a vice president or president goes to the Munich conference, he discusses the importance of security between the United States…

It just -- it strikes me that what the chairman was trying to do perhaps was to try to send a wake-up call to both the Speaker and his Republican colleagues, that Russia still remains very much a threat to the United States.

Well, I think you saw a tragic and historic moment take place in the Oval Office, in which 80 years of United States foreign policy has largely been turned on its head.