three national security advisors. michael flynn, h.r. mcmaster, now john bolton. all for various reasons but there's a high turnover particularly in that area and foreign policy. a lot of people look at it and say what do you want? what do you stand for? >> the interesting thing is if you look at donald trump over the last decade or more, one of the consistent themes that you will hear him speak of may be for 20 or 30 years is the idea that regime change doesn't work. he said for a long, long time the iraq war was a mistake and we emboldened around by getting rid of saddam hussein and there was a counterbalance and having saddam hussein there that that vacuum allowed isis to grow and then vacuum, and so really i think the president has been very, very consistent. >> neil: you mentioned isis, senator . isis was on the run, isis was defeated. foreign policy advisors urged him to cool it on that kind of talk because it emboldened the enemy. sure enough, isis popped up in other locales. does he have to be careful with his wording?