Pope Benedict XVI delivers his "Urbi et Orbi" ("To the City and to the World") address from the central loggia of St. Peter's Basilica at the Vatican in this Tuesday, Dec. 25, 2012, file photo. (AP Photo/Gregorio Borgia) ** FILE **

Photo by: Gregorio Borgia

Pope Benedict XVI delivers his "Urbi et Orbi" ("To the City and to the World") address from the central loggia of St. Peter's Basilica at the Vatican in this Tuesday, Dec. 25, 2012, file photo. (AP Photo/Gregorio Borgia) ** FILE **