AdvertisementVindman, Sondland Removed As Trump Purges Impeachment WitnessesFebruary 07, 2020Roberta RamptonAmita KellyFranco OrdoñezfacebookEmailDemocrats say President Trump is exacting "retribution" on Gordon Sondland (left), the outgoing U.S. ambassador to the European Union, and Lt. Col. Alexander Vindman because they testified in the impeachment hearings. (AFP via Getty Images)