FILE - In this April 4, 2019 file photo, Speaker of the House Nancy Pelosi, D-Calif., talks during a news conference on Capitol Hill in Washington. On the same day that House Speaker Nancy Pelosi urged rank-and-file Democrats to proceed with relative caution after the release of special counsel Robert Mueller’s report, Massachusetts Sen. Elizabeth Warren doubled down on her impeachment calls. (AP Photo/J. Scott Applewhite)