Attorney General William P. Barr revealed Tuesday that he’s appointed another U.S. attorney to investigate requests by top Obama officials to “unmask” President Trump’s former National Security Adviser Michael Flynn. Mr. Barr said he’s asked John Bash, the U.S. attorney for the Western District of Texas, to look into the unmasking requests. He said that review will be independent of Connecticut U.S. Attorney John Durham’s investigation `into the origins of the Russia-collusion investigation. “I’ve asked another U.S. attorney to look into the issue of unmasking because of the high number of unmaskings and some that do not readily appear in...