with our allies and secretary kerry is having with our allies because it's important there's an unified front on this. if it's going to be effective, it will require that. but there are steps, mike mcfall talked about that could be taken relative to the banking system that would have an impact on russia. the question is as putin weighs these things, how much the crimea and ukraine means to him versus those kinds of impacts. >> when you read the interview with president obama, it's very clear to me but must be even more clear to you, you've been behind the scenes, that this president was elected with a mandate he thinks to get us out of wars and not into wars. that really does inform his responses to crises such as this. >> there's no doubt he doesn't feel force is the answer in every case. everybody agrees on that it's not the case here. over the course of history we've had test cases of this.