Pelosi's 'baller move': Trump will be impeached

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House Democrats announcing new strategies to prevent Trump officials from stonewalling their impeachment probe. Speaker Pelosi announcing a full floor vote authorizing the probe and a new plan to confront witnesses who try to bail on testimony, like a top Trump security official Charles Kupperman, who skipped a scheduled deposition. Former Acting Solicitor General Neal Katyal joins Ari Melber for "Opening Arguments" on “The Beat.”