Rep. Devin Nunes, R-Calif, the ranking member of the House Intelligence Committee, talks with Steve Castor, the Republican staff attorney, during a hearing where former White House national security aide Fiona Hill, and David Holmes, a U.S. diplomat in Ukraine, testify 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/Manuel Balce Ceneta)