peter agreed, if assad uses chemical weapons now, it looks like the man in russia has no power. >> that's right. and that would lead to an outcome that putin doesn't want. because i think if assad uses chemical weapons again the calculus changes. the use of force becomes much more -- a much more viable option for obama, we'll have more international support p you can see sentiment change in europe, for instance. and i think you're really likely to see a swift reaction from the west if he does it again. and that's the thing putin wants least here. he does not want the west using its military intervening, trying to effect regime change. one of his key goals is to stop what he sees as the sort of western-led regime change around the world. that's one of his key priorities. and we do have common ground with putin on the question of securing chemical weapons and trying to thwart radical islamists in syria. they threaten his regime as well. we saw that in the boston bombing. the boston marathon bombing. we saw the radicalism in the caucuses in russia. he's very nervous about that. he doesn't want any spillover. >> i think we have a north-south fight going on in the world right now. and it's including the countries