now, big picture these witnesses, this evidence, it's also giving these impeachment committees brand-new leads to follow as congress returns to session. lawmakers now considering whether to call in, of course, mr. bolton as a witness. so they can get his own words that have been memorialized and that are so damning about the hand grenade and the drug deal. then there is, of course, mr. sondland. he's slated to testify on thursday. and there are reports already that he's planning to say -- to say to the congress under penalty of perjury that trump told him directly there was no quid pro quo with ukraine, exchanging say military aid for dirt on biden, but sondland quick to emphasize he doesn't know whether that's true. he doesn't know whether the president was lying. he's distancing himself from that one written defense. and while the pentagon and the office of management budget are refusing to comply with some of these subpoenas, the house committees expanding their witness lists deep into those departments which allege that