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Syrians hold pictures of re-elected Syrian President Bashar al-Assad in Damascus after Assad was announced as the winner of the country's presidential elections on June 4, 2014. (JOSEPH EID/AFP/Getty Images)

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A vendor weighs marijuana buds at a medical marijuana dispensary in Los Angeles, California on July 4, 2014. (FREDERIC J. BROWN/AFP/Getty Images)

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Russia's President Vladimir Putin speaks during an awarding ceremony in the Kremlin in Moscow, on July 31, 2014. (MIKHAIL KLIMENTYEV/AFP/Getty Images)

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Iraqi Christians attend Sunday mass at the Virgin Mary Chaldean church in the Karrada neighborhood of the capital Baghdad on July 27, 2014. (AHMAD AL-RUBAYE/AFP/Getty Images)

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U.S. President Barack Obama at the Ronald Regan Building and International Trade Center, June 25, 2014 in Washington, DC. (Mark Wilson/Getty Images)

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Russia's President Vladimir Putin attends a meeting in his Novo-Ogaryovo residence, outside Moscow on February 26, 2014. (MIKHAIL METZEL/AFP/Getty Images)

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Uighur people (C) walk near police as they form a line across a street on July 8, 2009 in Urumqi, China. (Guang Niu/Getty Images)

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Signage hangs outside +Doctor, a medical marijuana evaluation clinic, on July 25, 2012 in Los Angeles, California. (David McNew/Getty Images)

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Russian River Brewing Company customers clink their glasses on February 7, 2014 in Santa Rosa, California. (Justin Sullivan/Getty Images)