The sister of former Supreme Court Justice Sandra Day O’Connor was killed in a car accident Saturday in Arizona. Pima County sheriff’s spokesman Ryan Inglett said Ann Day, 77, suffered fatal injuries after her vehicle was struck by two other cars near Tucson. Day was a former Arizona Republican state senator and Pima County supervisor. Day was driving eastbound on Ina Road around 7:40 a.m. when an oncoming car crossed the median. Day’s vehicle was struck head-on, Inglett said. A truck traveling behind Day then rear-ended her. She was alone in the vehicle. Paramedics transported Day to the hospital, where...