In this photo provided by the Vatican newspaper L&#x27;Osservatore Romano, Pope Benedict XVI delivers his message on the occasion of his farewell meeting to cardinals, at the Vatican, Thursday, Feb. 28, 2013. Benedict XVI promised his &quot;unconditional reverence and obedience&quot; to his successor in his final words to his cardinals Thursday, a poignant farewell before he becomes the first pope in 600 years to resign. (AP Photo/L&#x27;Osservatore Romano, ho)
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