Pope Benedict XVI greets the faithful during the Angelus noon prayer he celebrated from the window of his studio overlooking St. Peter's Square, at the Vatican, Sunday, Nov. 4, 2012. (AP Photo/Andrew Medichini)

Associated Press
Pope Benedict XVI greets the faithful during the Angelus noon prayer he celebrated from the window of his studio overlooking St. Peter's Square, at the Vatican, Sunday, Nov. 4, 2012. (AP Photo/Andrew Medichini)
Pope Benedict XVI greets the faithful during the Angelus noon prayer he celebrated from the window of his studio overlooking St. Peter's Square, at the Vatican, Sunday, Nov. 4, 2012. (AP Photo/Andrew Medichini)