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Pope Francis, left, and Sheikh Ahmed el-Tayeb, the grand imam of Egypt's Al-Azhar, exchange a joint statement on "human fraternity" after an interfaith meeting at the Founder's Memorial in Abu Dhabi, United Arab Emirates, Monday, Feb. 4, 2019. Pope Francis has asserted in the first-ever papal visit to the Arabian Peninsula that religious leaders have a duty to reject all war and commit themselves to dialogue. (AP/Andrew Medichini)