U.S. Rep. Adam Schiff, the ranking Democrat on the House Intelligence Committee, addresses the California Democratic Party convention, Saturday, May 20, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli) ** FILE **
Rep. Adam B. Schiff of California, the ranking Democrat on the House Intelligence Committee, speaks highly of former British spy Christopher Steele and his dossier. (Associated Press/File)
California gubernatorial candidate, Lt. Gov. Gavin Newsom, left, jokes with John Burton chairman of the California Democratic Party, before addressing the California Democratic Party Convention, Saturday, May 20, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)
U.S. Rep. Adam Schiff, the ranking Democrat on the House Intelligence Committee poses for a picture after speaking at the California Democratic Party convention, Saturday, May 20, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)
U.S. Rep. Adam Schiff, the ranking Democrat on the House Intelligence Committee addresses the California Democratic Party convention, Saturday, May 20, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)
U.S. Rep. Adam Schiff, the ranking Democrat on the House Intelligence Committee addresses the California Democratic Party convention, Saturday, May 20, 2017, in Sacramento, Calif. (AP Photo/Rich Pedroncelli)