and the little known process of obtaining the president's tax returns. tomorrow the acting attorney general is due before the house judiciary committee which will have a subpoena with his name on it in case he's not sufficiently forthcoming on his own. our guide for this is cnn senior congressional correspondent manu raju. you have a lot to follow up on the hill. i haven't mentioned a major vote today on the senate side. >> reporter: the president hasn't either. that before bill barr, his pick to be attorney general to replace matt whittaker as the acting attorney general. this is the first time the committee will vote to cannonsi the nomination. we expect the vote to be along party lines. republicans are the majority so that will be sent to the floor. democrats have raised concerns because barr in his confirmation hearings and privately in