that he feels alone and he's receiving insufficient support, but neutrality from moscow's control over ukraine. if i could make one more point about supplying arms to ukraine, we confronted the soviet union over cuba in 1962, excuse me, '63, no, '62. we confronted russia over berlin in '48 and '61 and soviet union much more powerful than today and providing arms to ukraine like afghanistan and the soviet union. we are far stronger than russia. we should not be intimidated by putin. that's a formula for putin having his way against our interests. >> ambassador, thank you so much. general clark, thank you both for being here. i really appreciate it. coming up, much more of cnn's coverage of russia's assault on ukraine. u.s. officials fearing the capital of kyiv as we were just discussing could fall within