he wants heavy arms and he wants a no-fly zone. is that going to challenge the russians to go in? if we go in with a no-fly zone attempt, even if it's done by stand back weapons, and if we go in with giving heavy weapons to the rebels which would upset the balance and perhaps change the course of this war, do you think we have to consider the question of the russians at this point? >> of course we have to consider the question of russia and what actions they'll take. but we also have to keep in mind, chris, that what we've seen over the last two years is a steady escalation of the amount of support that iran and russia are providing to a murderous regime. our regional allies, jordan and turkey have been bearing the burden of hundreds of thousands of refugees and have been pleading with us for more support and for more engagement. first on the humanitarian side, and now to create safe zones and to support the opposition. recent developments on the battlefield suggest that the opposition is really at a teetering point, and that assad may well retake the advantage on the battlefield as his troops, reinforced with iran's proxy hezbollah are massing for an