Former Pope Benedict breaks silence on celibacy debate after synod

Former Pope Benedict, in a new book written with a conservative cardinal, defends priestly celibacy in the Catholic Church in what appears to be a strategically timed appeal to Pope Francis to not change the rules.Benedict wrote the book, "From the Depths of Our Hearts," with Cardinal Robert Sarah, 74, a Guinean prelate who heads the Vatican's Congregation for Divine Worship and the Discipline of the Sacraments.The Vatican had no immediate comment on the book, which is due to be published on Mon