2000 troop will leave. the president announced this withdrawal, he said that they're coming back and they're coming back now. this morning the president description said u.s. will leave at a proper pace and do all else that is necessary. with that, the national security advisor john bolton reassuring allies about this withdrawal >> we're going to be discussing the president's decision to withdraw. but to do so from northeast syria in a way that makes sure that isis is defeated and not able to revive itself and become a threat again. >> reporter: lindsey graham said the administration and the president assured him that the u.s. would make sure that its withdrawal, it would protect against iran filling in the void that was left from u.s. troops leaving. >> shepard: the initial concern was the curds who fought with us in war after war will be left