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Pope Francis greets U.S. Vice President Joe Biden after both spoke at a conference on adult stem cell research at the Vatican April 29, 2016. (CNS/L'Osservatore Romano, handout)
Pope Francis greets U.S. Vice President Joe Biden after both spoke at a conference on adult stem cell research at the Vatican April 29, 2016. (CNS/L'Osservatore Romano, handout)