for national security. >> and you went immediately and reported it, didn't you? >> i did. >> why? >> because that was my duty. >> that was congressman sean patrick maloney. he will join us in just a moment. the first two witnesses of the day were jennifer williams a career foreign officer in the state department who is currently detailed to the staff of vice president mike pence and lieutenant colonel alexander vindman who is currently detailed to the staff of the white house national security council. they both listened to president trump's phone call with president zelensky of ukraine in which president trump asked president zelensky to do him a favor. the favor of investigating joe biden. in other words, a favor for the president's re-election campaign. in this afternoon's hearing a long time republican congressional staff, tim morrison, who served in the trump white house as the senior director for european affairs at the national security council explained what was at stake for ukraine in the president's request for an investigation of