GOP attacking witnesses to head off Trump obstruction case
Rachel Maddow looks at how Republican congressional investigators seem less interested in answering the question of whether Donald Trump colluded with Russia than they are in smearing FBI officials who would be witnesses in a Trump obstruction of justice case.
Mystery Mueller hearing sends reporters scrambling03:18
Mueller knocks Flynn for trying to blame FBI for his lying06:57
Recent Mueller actions eyed for hints of probe's trajectory03:39
Federal judge accepts GOP push, calls Obamacare unconstitutional07:10
Ivanka's name comes up in questions about Trump inaugural funds04:22
Democrats make plans to correct GOP's weak effort on Trump-Russia07:09