happened if crimea -- unlike the situation with crimea russia is escalating the situation in front of everyone's faces. why do you think putin is so emboldened with this particular situation? >> well, you have to look back and see what motivates vladimir putin. this is a person who views the collapse of the soviet union as the greatest tragedy of the 20th century and wants to reconstruct the soviet union era, reconstruct that empire, and see the demise of u.s. democracy. that's what he lives for. this is the man who couldn't care less about delivering quality, affordable health care for the russian people. that is his goal and focus. he sees ukraine as the front line of that. if he can take ukraine over, if he can end the development of democracy in ukraine and if he can stop the advancement of nato it's a huge victory for him. he views that as essential to his legacy. >> president trump's former adviser on russia fiona hill has a new op-ed in the "new york times" that says, in part, i'll