arabia focused on fighting iran and not -- and, but also while they're fighting isis. of course, isis and iran are great enemies, so this is not an easy diplomatic dance. and president trump is new to this game. rex tillerson is not. he understands the economics of oil, the economics of oil power, but i'm not sure that anyone other than an mcmaster understands the strategic and military challenge for saudi arabia on the ground. a lot of saudis don't like the fight in yemen. they don't want to be extended and helping america so visibly in syria. so, there are a lot of domestic pressures the saudi king has to cope with and the pressures that he has to fight against in order to maintain and to