FILE - In this Oct. 00, 0000, file photo U.S. Ambassador to the European Union Gordon Sondland, center, arrives for a interview with the House Committee on Foreign Affairs, House Permanent Select Committee on Intelligence, and House Committee on Oversight and Reform on Capitol Hill in Washington. House investigators released more transcripts Nov. 0 in the impeachment inquiry of President Donald Trump, including hundreds of pages of testimony from Kurt Volker, the former special envoy to Ukraine, and Sondland. (AP Photo/Pablo Martinez Monsivais, File)  FILE - In this Oct. 00, 0000, file photo U.S. Ambassador to the European Union Gordon Sondland, center, arrives for a interview with the House Committee on Foreign Affairs, House Permanent Select Committee on Intelligence, and House Committee on Oversight and Reform on Capitol Hill in Washington. House investigators released more transcripts Nov. 0 in the impeachment inquiry of President Donald Trump, including hundreds of pages of testimony from Kurt Volker, the former special envoy to Ukraine, and Sondland. (AP Photo/Pablo Martinez Monsivais, File)  