Tens of thousands attend the Holy Mass and canonization of Mother Teresa of Kolkata, in St. Peter's Square at the Vatican on Sunday. Vincenzo Pinto/AFP/Getty Images hide caption

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Pope Francis hugs Sister Carmen Sammut at the end of a meeting in May with hundreds of women who serve the Roman Catholic Church. The pontiff has appointed a commission to study whether women can serve as deacons. AP hide caption

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Pope Francis waves to the crowd from the popemobile after an open-air mass in Armenia's second-largest city of Gyumri on Saturday. Tiziana Fabi /AFP/Getty Images hide caption

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Pope Francis Urges World To Never Forget Armenian Genocide

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Pope Francis (center), flanked by the head of Armenia's Orthodox Church Karekin II (seventh left) and Catholicos Aram I (sixth right), celebrated an Armenian-Rite Mass in St. Peter's Basilica in April 2015. Pope Francis called the slaughter of Armenians by Ottoman Turks "the first genocide of the 20th century," sparking a diplomatic rift with Turkey. L'Osservatore Romano/AP hide caption

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Pope Francis hugs Sister Carmen Sammut, a missionary sister of Our Lady of Africa, at the Vatican on May 12. The pope said he was willing to create a commission to study whether women can be deacons in the Catholic Church, signaling an openness to letting women serve in ordained ministry currently reserved to men. AP hide caption

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Seizing On Pope's Remarks, Women Meet In Rome To Discuss Female Priesthood

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Pope Francis greets participants in a special audience with members of the International Union of Superiors General on Thursday in the Paul VI hall at the Vatican. L'Osservatore Romano via AP hide caption

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The mothers of Militsa Kamvysi, 83, (left) and Maritsa Mavrapidou, 85, arrived on the Greek island of Lesbos nearly a century ago as refugees from what was then the Ottoman Empire (now Turkey). "We welcomed refugees because we're descended from refugees, too," Mavrapidou says. Kainaz Amaria/NPR hide caption

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For These Greek Grandmas, Helping Migrants Brings Back Their Own Past

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Pope Francis welcomes Iranian President Hassan Rouhani at the Vatican on Jan. 26. The pope has been extremely active in global political affairs and has often been critical of the West. Pool/AFP/Getty Images hide caption

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