that would be tim morrison, former white house aid with the national security council, a long time to be clear hill staffer for multiple republican law makes. he's part of the professional class of republican aids and staffers. that's his career. and ambassador kirk volker, the former u.s. ambassador to uwran, a career diplomat who served under both republican and democratic pre-s who got this job named by president trump. and what we got from volker were attempts to explain away some glaring inconsistencies win his previous testimony. he said that maybe he didn't quite realize he was in the middle of a corrupt attempt at extortion. >> in hindsight i now understand that others saw the idea of possible investigation of the ukrainian company burisma -- the