The other Don: Why House Democrats want to talk to Don McGahn

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The House Judiciary Committee has issued a subpoena for President Trump's former White House Counsel Don McGahn to testify, after emerging as one of the central figures in the Mueller report's investigation into whether or not Trump obstructed justice. Politico's Darren Samuelsohn and Former federal prosecutor Cynthia Alksne join Kasie Hunt to discuss.