about ukraine than the less. nonetheless, it's very important to continue to go down this path and if they don't end up deterring and putin takes action, implementing those tensions is extremely important to raise the cost and input and export control to start to choke him off, key factors of russian economy that support this aggressive activity across. that is one question. there is still the prudent path to raise the costs and to start to choke russia's ability to sustain this aggressive posture. >> so how long can you wait? you know, the emphasis today from both the videos and you heard admiral kirby talking about was that they're putting in things to stay for a while. right? it's not just hospitals, it's recreation rooms, classrooms, it's sort of we don't have to move our troops out in march when things start to thaw. we can sit around and wait as long as we need to. how long do you think he is willing to sit there?