Day 3, Part 6: Devin Nunes and Steve Castor question Jennifer Williams and Alexander Vindman
California Congressman Devin Nunes, the top Republican on the House Intelligence Committee, and Steve Castor, senior investigative counsel for Republicans on the panel, questioned Jennifer Williams and Alexander Vindman on Tuesday in the third day of public impeachment hearings. Williams is Vice President Mike Pence's special adviser for Europe and Russia and Vindman is the top expert on Ukraine on the National Security Council.