that is a possible line of attack, course of action that the russian forces could choose to take. they could also choose to move in other parts of ukraine as well. the last point that i would make and i know this is the subject of a fair amount of back and forth between the administration and the press over the course of the past week, we're firmly convinced that the russians should they decide to move forward with an invasion, are looking hard at the creation of a pretex, a false flag operation. something that they generate and try to blame on the ukrainians as a trigger for military action and we're calling that out publicly because we do believe that if russia chooses to do that, they should be held to account, the world should not believe that a false flag operation, that they conducted, it is a legitimate cause for going into ukraine. >> you mentioned that you did not want to say that putin has made a decision. but does the united states