RAMALLAH, WEST BANK - MAY 25: In this handout image supplied by the Palestinian Press Ofiice (PPO) Palestinian President Mahmoud Abbas greets Pope Francis on May 25, 2014, Ramallah, West Bank. Pope Francis addressed the Israeli-Palestinian conflict as "unacceptable" and urged both sides to find courage in seeking a peaceful solution. (Photo by Thaer Ghanaim/PPO via Getty Images)
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