Rep. Garamendi on Sondland: ‘He is a central figure. He must testify.’

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The Democratic chairmen of three of the House committees running the Trump impeachment inquiry, are now saying they will subpoena the U.S. Ambassador to the European Union. Congressman John Garamendi, a Democrat from California, just returned from a week-long trip to Ukraine. He joins MSNBC’s Ayman Mohyeldin to discuss.