Day 5, Part 6: Devin Nunes and Steve Castor question Fiona Hill and David Holmes
California Congressman Devin Nunes, the top Republican on the House Intelligence Committee, and Steve Castor, senior investigative counsel for Republicans on the panel, questioned Fiona Hill, a former senior director for Russia on the National Security Council, and David Holmes, a diplomat in the U.S. embassy in Kiev, on Thursday, the fifth day of public impeachment hearings.