what all have you learned? >> as impeachment has ramped up, the tax battles which we spent much of the past year discussing, have gained momentum as well. we saw this past week that the president changed his residency from new york to florida, and i saw that on this network yesterday. governor cuomo speculated that some of the tax cases might have something to do with that. but essentially, the president is arguing in about four or five legal cases that prosecutors have no ability to not only prosecute a sitting president, but investigate him while he's in office, and that congress has no legitimate oversight authority on the president, unless there's a legitimate legislative task attached to it. so, he's basically plugging all of these holes to keep those returns private, to keep them from coming into any democratic hands. and he's got a number of cases he's got to keep plugged in order to do so. constitutional law experts i spoke with thought there was not a good chance of even justices president trump appointed on the