giuliani who saw the united states relationship with ukraine as predicated on its willingness to look into former vice president joe biden and other democrats. as we keep saying, it's a lot. here to lead off the discussion, on a friday night, susan page, washington bureau chief for "usa today," john allen, nbc news national political reporter, former u.s. attorney, barbara mcquade, and the aforementioned peter baker, chief white house correspondent for the "new york times." peter, i hate to begin on a friday night with a process question, but i must. what will happen to everything underway if indeed a second whistleblower comes up and has to be processed and spoken to and heard from on the hill and perhaps has even more pointed evidence than the first? >> well, it's very interesting because this would serve to validate to some sentence the first whistleblower as a witness to what happened. the president, of course, has spent a lot of time trying to