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Pump jacks in an oil field over the Monterey Shale formation on March 23, 2014 near Lost Hills, California. (David McNew/Getty Images)

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Kurdish soldiers with the Peshmerga keep guard near the frontline with Sunni militants on June 25, 2014 on the outskirts of Kirkuk, Iraq.(Spencer Platt/Getty Images)

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Iraqi priest Monsignor Pios Cacha celebrating a mass at the Mar Yussef Church in central Baghdad, February 22, 2013. (AHMAD AL-RUBAYE/AFP/Getty Images)

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FCC Commissioner Robert McDowell delivers remarks before the commission voted to adopted controversial Net neutrality rules December 21, 2010 in Washington, DC. (Chip Somodevilla/Getty Images)

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U.S. President Barack Obama and U.S. Vice President Joseph Biden walk into the Rose Garden of the White House June 30, 2014 in Washington, DC. (Mark Wilson/Getty Images)

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Egyptian Coptic Christians attend a Friday Mass at the Virgin Mary church on May 16, 2014 in Cairo's Road al-Farag district. (VIRGINIE NGUYEN HOANG/AFP/Getty Images)

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Colombian President and presidential candidate Juan Manuel Santos on June 15, 2014, in Bogota. (GUILLERMO LEGARIA/AFP/Getty Images)