Pope Benedict XVI arrives to celebrates a Mass opening the Year of Faith in St. Peter’s Square at the Vatican in this Oct. 11, 2012, file photo. Pope Benedict and his successor, Pope Francis, have both used the Year of Faith to explain basic church teachings and encourage people to practice their faith more seriously. (CNS photo/Paul Haring) (Nov. 14, 2013) See VATICAN LETTER Nov. 14, 2013.