Capitol Police officers stand near a demonstrator holding a sign outside of Longworth House Office Building, where former White House national security aide Fiona Hill and David Holmes, a U.S. diplomat in Ukraine, are testifying before the House Intelligence Committee on Capitol Hill in Washington, Thursday, Nov. 21, 2019, during a public impeachment hearing of President Donald Trump’s efforts to tie U.S. aid for Ukraine to investigations of his political opponents. (AP Photo/Julio Cortez)