Tennessee officials were unable to put Christa Pike to death Wednesday for a 1995 murder after administering two doses of a lethal drug. A death penalty expert said it was an unprecedented failure. Pike was alive and loudly snoring after the attempted lethal injection and was taken by ambulance from the prison, her lawyers said. “We have not been informed as to her condition,” Pike’s lawyers said in a statement. Pike, 50, had been scheduled for execution at 11am Wednesday for the killing she...