our coverage on cnn continues right now. happening now, breaking news. siding with congress. a federal judge tells president trump's longtime accounting firm it will need to turn over his records from before his presidency to the house oversight committee. the silence of mcgahn. the white house steps in to prevent former counsel don mcgahn from testifying to a house panel, arguing that he has immunity. does that mean mcgahn's chair will be empty at tomorrow's judiciary committee hearing? will he be held in contempt? impeachment threshold. a republican lawmaker is the first to say that president trump's behavior has met the threshold for impeachment. congressman justin amash of michigan is doubling down tonight, sending out a fresh round of tweets, even though he's already facing a primary challenge for speaking out.