. >> nbc's kelly cobiella, thank you very much, joining us live from the border. joining us chief correspondent for "the new york times" peter bakeror now of the institute for international studies at stanford and international affairs analyst michael mcfaul and professor at the john hopkins school for advanced studies elliott cohen. >> ambassador, let's start with you. we talked about it before in 2008 in georgia and in 2015 in syria, 2014 in ukraine, crimea. vladimir putin has always made very calculated moves, he's gained much and paid a very small price. the opposite is taking place here and at this point he's saber rattling talking about nuclear weapons. i'm curious, what's your read on the situation? now that the inverse is true where he's gaining very little at a great geeio political price, what's his next move? >> joe, before i get to that i want to say isn't it great we have the ambassador in poland right now? i've know mark. he knows what's right and wrong, good and evil. polish and ukrainian people are thankful he's on the ground route now. so thank you, u.s. senate, for finally getting your job done. >> i need to ask