Benedict Xvi

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An undated photo provided by the Knights of Columbus Supreme Council shows Bishop William E. Lori of the Diocese of Bridgeport, Conn. Pope Benedict XVI announced Tuesday, March 20, 2012 that Lori has been named the 16th Archbishop of Baltimore. Lori will succeed Cardinal Edwin O'Brien, who served as Baltimore's 15th archbishop from October 2007 to August 2011 when he was named grand master of the Equestrian Order of the Holy Sepulchre of Jerusalem.

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Pope Benedict XVI arrives to preside over a consistory in St. Peter's basilica at the Vatican, Saturday, Feb. 18, 2012. He is bringing 22 new Catholic churchmen into the elite club of cardinals who will elect his successor amid signs the 84-year-old pontiff is slowing down. (AP Photo/Andrew Medichini)

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Pope Benedict XVI (seated) delivers his "Urbi et Orbi" (Latin for "To the City and to the World") speech from the central loggia of St. Peter's Basilica at the Vatican on Sunday, Dec. 25, 2011. (AP Photo/L'Osservatore Romano)

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Pope Benedict XVI delivers his "Urbi et Orbi" (Latin for "To the City and to the World") speech from the central loggia of St. Peter's Basilica at the Vatican on Sunday, Dec. 25, 2011. (AP Photo/L'Osservatore Romano)

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Pope Benedict XVI spent more than an hour Sunday at Rome's Rebibbia prison meeting with detainees and calling for greater dignity for inmates everywhere. (L'Osservatore Romano via Associated Press)

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Pope Benedict XVI stands with Benin's President Yayi Boni during an airport welcome ceremony in Cotonou, Benin Friday, Nov. 18, 2011. (AP Photo/Rebecca Blackwell)

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A woman selling memorabilia ahead of Pope Benedict XVI's visit waits for clients outside St. Michael Church in Cotonou, Benin, Friday, Nov. 18, 2011. (AP Photo/Rebecca Blackwell)

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Archbishop of Canterbury Rowan Douglas Williams, Ecumenical Patriarch Bartholomew I, Pope Benedict XVI and Rabbi David Rosen look on as a person holds a dove prior to releasing it during a peace meeting in front of the St. Francis Basilica in Assisi, central Italy, on Thursday. (Associated Press)

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** FILE ** Pope Benedict XVI leaves St. Peter's Basilica on a mobile platform at the end of a Mass at the Vatican on Sunday, Oct. 16, 2011. (AP Photo/Gregorio Borgia)

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Pope Benedict XVI arrives for a service Sunday in Freiburg, Germany, on his last day of a four-day-visit to his homeland. Thousands from neighboring countries attended his celebrations of Mass. But during his visit, he also drew protesters in Berlin, and 100 lawmakers boycotted his address to Parliament. (Associated Press)

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Pope Benedict XVI holds the hand of German president Christian Wulff before departing from the airport in Lahr, north of Freiburg, Germany, Sunday, Sept. 25, 2011. Pope Benedict XVI was on a four-day official visit to his homeland Germany. (AP Photo/Martin Meissner)

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A nun holds a rosary as she waits of the beginning of a mass with Pope Benedict XVI in Freiburg, southwestern Germany, Sunday, Sept. 25, 2011. (AP Photo/Matthias Schrader)

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Monsignore Georg Gaenswein holds a girl that is to be blessed by Pope Benedict XVI as he arrives for an open-air mass in Freiburg, Germany.(AP Photo/Andrew Medichini)

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Nuns pray during a mass with Pope Benedict XVI at the airfield in Freiburg, Germany, Sunday, Sept. 25, 2011. (AP Photo/Martin Meissner)

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The popemobile with Pope Benedict XVI drives through the crowd prior to a service in Freiburg, Germany.(AP Photo/Michael Probst)

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Pope Benedict XVI, center, is seen during a service in Freiburg, Germany, the last day of a four-day-visit to his homeland Germany.(AP Photo/Michael Probst)

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Pope Benedict XVI is shielded against the sun during an open-air mass in Freiburg, Germany, Sunday, Sept.25, 2011, the last day of a four-day-visit to his homeland Germany.(AP Photo/Andrew Medichini)

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Pope Benedict XVI approaches a service in Freiburg, Germany, Sunday, Sept.25, 2011, the last day of a four-day-visit to his homeland Germany.(AP Photo/Michael Probst)