they re going to pay. they re not going to their banks will not be able to deal in dollars. is that a real threat? and does russia worry about it? it is a real threat from the u.s. i think they have some doubts on whether we ll be able to follow through on it. there is some seams between us and our european allies that would have to also be on board for it to be truly effective. these sanctions. i think there is also from the russian calculation an understanding they could deal with some shocks. it will be impactful. no question. they have built a large $630 billion war chest, they have developed relationships with china, where they have conducted transactions with the chinese yuan and europe has built some facilities around swift also. when we sanctioned iran, under the trump administration, europeans wanted to continue to have a diplomatic path for keeping iran denuclearized and