Lawmakers Spar Over Whistle-Blower Identity: Impeachment Update

(Bloomberg) -- The House plans to take its first vote to support the impeachment inquiry of President Donald Trump on Thursday as Democrats seek to nullify Republicans’ argument that the process is illegitimate.On Tuesday, three House committees are hearing behind closed doors from Alexander Vindman, the National Security Council’s director for European affairs.Here are the latest developments:Lawmakers Spar Over Whistle-Blower Identity (2:26 p.m.)Closed-door questioning of Vindman b