p.j. crowelly former assistant u.s. secretary of state for public affairs. p.j.come. >> hello john. >> this presents a problem to the united states. even if russia doesn't get involved, if these demonstrators don't move, what happens? >> a great question. the longer this goes on the greater the risk that you get some sort of collision or some sort of spark that takes this into a spiral that no one can control. what the united states is hoping that russia will do is use its obvious leverage. it has some personnel inside of ukraine. to try to get these guys to stand down. the rhetoric that the -- those occupying these buildings are saying is, we'll leave when the government in kyiv, the interim government they don't think is legitimate, when it leaves of course that's -- the election is scheduled right now for may 25. but right now the conditions are very, very difficult. and it's hard to see how you would get to an election that would have the kind of legitimacy that you need. >> so if the pro-russian demonstrators don't leave does the deal mean anything? >> this