of military force in korea. it would be good if congress was pretty directive as to how that power should be exercised. i think it would be very difficult to get congress to act, but yes, we could take some action, and it could have some impact. >> ambassador hill, we've had some dark and sobering assessments on the show this week about the situation in north korea both from experts on the subject and from nick christoff who got back from five days there and said he didn't see a country or leadership that was going to be deterred by sanctions. in fact, was energized by having been elevated to the level of the united states by president trump on the world stage. where are you right now on this crisis? how concerned are you as a former ambassador to south korea? >> well, i'm very concerned. i mean, there are a lot of reasons to be concerned coming out of the region. first of all, the president's bellicosity on this is not helpful. i mean, i don't know where he got a north korean speech writer, but he sounds just like the north koreans.