Threat from russian aggression if the war isn't ended. the u.s. has committed more weapons to ukraine and has also ended normal trade with russia. what more should the u.s. do to assist ukraine? >> well, i think we should do everything the ukrainians are asking us to do, including ukraines are trained on mick fighters with, and they don't have enough aircraft now. the russians have not been able to dominate the skies. i'm very happy with the weapons that have gone into ukraine from the united states including antiaircraft missiles. but now that the russians have actually lost the war to take k...