for more, we're joined by steve sestanovich, a senior fellow from the council on foreign relations in washington, d.c., and author of the book "maximalist: america in the world from truman to obama." so, did vladimir putin win in the world of war of perception, so to speak, or did he back down. >> he certainly did something that was unexpected. yesterday, everybody was predicting that maybe we were finally going over the cliff to war, that this time the russians were serious about an invasion, and all hell was going to break loose. today, they are taking the troops back, and putin has not done the big thing that he seemed to be threatening, which was to make his troops, his men, his trucks a shield for the separatists in eastern ukraine. and the same landscape is really there now that was there before this truck convoy story. putin has to figure out how to support the separatists who are basically going down without over-involvement that will excite too much opposition from the west and embroil him in a big mess that he wants to stay out of. >> sreenivasan: what does the west do about