"<div class=""meta ""><span class=""caption-text "">In this image taken from video, Pope Benedict XVI delivers his final message to the assembly of cardinals at the Vatican Thursday Feb. 28, 2013, before he retires in just a few hours. Benedict urged the cardinals to work in unity and promised his ""unconditional reverence and obedience"" to his successor in a poignant and powerful farewell before he becomes the first pope in 600 years to resign. (AP photo)</span></div>"
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