that within they feel the resistance militarily. so it's important we keep the pressure on them. and many of the armaments we're providing to saudi arabia, will help them be much more precise and targeted with many of their strikes, but it's important that pressure be kept on the rebels in yemen. at the same time, we are actively engaged with others in the region to see if we can advance a process by which we can bring this thing to a halt politically. we have a lot of work ahead of us in that regard. >> thank you. margaret, with regard to the re-election of rouhani this is an internal iranian matter, who they choose for their president is their business as it should be. from our perspective we judge iran by it actions not by its words. the iranps in the past have said some things and done something else.