those attempts made, yes, back through mr. mcgahn. his testimony has been blocked by the white house. judiciary chairman jerry nadler announcing today, compelling mcgahn's testimony is the next legal battle. all of that together is the what, the evidence. in court, more than in politics, it's not just the what, it's the why. why do you get typically secret evidence? what is the authority. where in law or the constitution does it give congress this kind of power? and is it so clear that a judge can then order around the doj or who's to provide. this is an interesting part today because the why, in this potential arcane legal brief, the why went off like a rocket today. the why is the impeachment power. which is in the constitution. it's one of congress's greatest potential powers right up there