The priest sex-abuse scandal was the albatross around the neck of Pope Emeritus Benedict’s brief eight-year reign as leader of the Roman Catholic Church, according to Vatican analysts. Long-suppressed allegations that priests had been preying on children — and that the bishops covered up the crimes — were already roiling the church when Cardinal Joseph Ratzinger was elected pope in April 2005 and took Benedict as his papal name. Like his predecessor, Pope John Paul II, Benedict also apologized to the victims and then took some steps to punish the predators. “I have had great responsibilities in the Catholic Church....