>> capitol hill investigates trump's national security adviser flynn. according to bloomberg, joe manchin expects to begin calling witnesses end of this month. when asked specifically whether he directed flynn to discuss sanctions, he said he did not. but he went on to say he would have if flynn had not initiated call himself. >> did you direct mike flynn to discuss sanctions with the russia ambassador prior to inauguration. >> no i didn't. >> if you have fired if information had leaked out. >> no i fired him because of the what he said to mike pence. it is very simple. he was doing his job and calling countries and his counterparts. it was okay if he did it. i would have directed him to do it if i thought he didn't because that's his job.