message. under this administration, red lines mean red lines. >> so what makes you think that threat, though, this time around will deter syria if that strike is happening again. >> what would you do in his position if the most powerful nation in the world demonstrated to you that we can see what you are doing. wouldn't you think again about actually executing on that decision? i know i would. i wouldn't test donald j. trump. >> so you think they will pull back because of this threat of a heavy price? >> i think if we're talking about rational actors, if we're talking about an intact command, then yes, the reasonable decision would be to not test the resolve of the president. >> so let me ask you a little