Trump administration blocks US ambassador to EU from testifying in impeachment inquiry

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The Trump administration blocked Gordon Sondland, the U.S. ambassador to the European Union, from speaking with lawmakers about text messages that show him and another diplomat discussing a possible link between investigations and aid to Ukraine just hours before his testimony was set to take place on Capitol Hill. Frustrated Democrats continue to move forward with efforts to interview the first White House whistleblower. NBC’s Kristen Welker reports for TODAY.