That's not a real bishop on the left: A man later identified as Ralph Napierski of Germany (at left) posed with Cardinal Sergio Sebiastiana and others on Monday at the Vatican. Napierski was an imposter. He was later escorted from the area by Swiss Guards. Vincenzo Pinto /AFP/Getty Images hide caption

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Roman Catholic cardinals at the Vatican on Thursday, as Pope Benedict XVI bid them goodbye. Now they must turn to choosing his successor. Osservatore Romano /Reuters /Landov hide caption

toggle caption Osservatore Romano /Reuters /Landov