COOPERSTOWN, N.Y. — In one of baseball's sweetest traditions, Stan Musial would play "Take Me Out to the Ball Game" on his harmonica for the so-called seventh-inning stretch of baseball's Hall of Fame induction ceremony. Johnny Bench has stepped in for the 91-year-old Musial, doing a pretty good Harry Caray imitation. On Sunday, in Ron Santo's honor, Bench put on a Cubs jersey before he went to the podium and slipped into character. "Ron would have loved it," Vicki Santo, Ron's widow, said afterward. "He and Johnny were such good friends. He would have thought it was hysterical. He would...