Robert Mueller, front, the special counsel probing Russian interference in the 2016 U.S. election
Robert Mueller, front, the special counsel probing Russian interference in the 2016 U.S. election Ting Shen/Xinhua TNS file photo
Robert Mueller, front, the special counsel probing Russian interference in the 2016 U.S. election Ting Shen/Xinhua TNS file photo