former national security adviser john bolton. but the white house is saying not so fast. stephanie grisham just put out a statement saying essentially this decision contradicts long-standing precedent established by administrations on both political parties. we will appeal and are confident that the important constitutional principle advanced by the administration will be vindicated. this constitutional principle that the administration is advancing is that essentially they can say no to anybody testifying up on capitol hill, and what the judge said in that ruling is, no, that's not the case. and the judge pointed to the case of harriet meyers during the george w. bush administration, essentially saying that don mcgahn could go up to capitol hill and say that executive privilege has been asserted here. but, john, obviously this applies to not just don mcgahn, who by the way his attorney says if this ruling is not stayed by a judge pending an appeal, his client will testify. but more importantly, i think more crucially in all of this, mick mulvaney's attorney is