Pope Benedict XVI holds the Host during his installation mass in St. John Lateran, his cathedral as bishop of Rome, Saturday, May 7, 2005. The visit caps a series of ceremonies following Benedict's election as pope on April 19, including installation services at St. Peter's Basilica and the Roman Basilica of St. Paul outside the Walls. At left is Vatican Secretary of State Angelo Sodano. (AP Photo/Massimo Sambucetti) (Massimo Sambucetti - AP)