nixon revised the authority for piercing that. and if you really go with this absolute immunity, in his words, eviscerates congress oversight ability. what about the fact that this entire impeachment is illegitimate, bogus and therefore they don t have to cooperate. will any court find that a reasonable argument? at some point down the line you may see that play out in court. you think about the mcgahn situation. that subpoena was issued early this year. before ukraine. before ukraine and before, certainly, before today s house vote. i think you ll see an argument that the president s advisers could be forced to come and testify. that s not the condition under which mcgahn was subpoenaed. we may see that issue play out. because he was subpoenaed under the mueller report. thanks shan and ross. the new national trump ad.