(Reuters) - Pope Benedict XVI waves to faithful during the Angelus prayer in St Peter’s square at the Vatican June 8, 2008. (Alessandro Bianchi/Reuters)

(Reuters) - Pope Benedict XVI waves to faithful during the Angelus prayer in St Peter's square at the Vatican June 8, 2008. REUTERS/Alessandro Bianchi (VATICAN)

(AP) - Pope Benedict XVI waves to faithful during the Angelus prayer in St. Peter’s square at the Vatican, Sunday, Feb. 17, 2008. The Pontiff appealed to the citizens and politicians of Lebanon, calling for a solution to the country’s dangerous power vacuum and worsening internal strife. (AP Photo/Alessandra Tarantino)

(AP) - Pope Benedict XVI, waves to faithful during the Angelus prayer from his studio overlooking St. Peter’s square at the Vatican, Wednesday, Dec. 26, 2007. (AP Photo/Alessandra Tarantino)