Former C.I.A. Director John Brennan on Sunday chastised the Republican chairman of the House Intelligence Committee on Sunday for his handling of a bombshell memo that delved into the secretive world of surveillance courts, saying the push to expose bias at the FBI was one-sided and shut out opposing views. Mr. Brennan, who served under President Obama, said Rep. Devin Nunes, California Republican, could have held hearings to expose potential problems at the FBI, but instead put out “very selective, cherry-picked” memo without allowing Democrats to offer a rebuttal memo. “I never, ever saw the Democrats do something like this...