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Rescued migrants wait to disembark of Italian Guardia di Finanza vessel Denaro at the Sicilian harbour of Catania on April 23, 2015. (ALBERTO PIZZOLI/AFP/Getty Images)

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Women attend a religious service at the cathedral in Etchmiadzin, outside Yerevan, on April 23, 2015. (KIRILL KUDRYAVTSEV/AFP/Getty Images)​

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U.S. President Barack Obama in the Rose Garden at the White House April 2, 2015 in Washington, DC. (Chip Somodevilla/Getty Images)

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Chinese President Xi Jinping waves to Pakistani children as his Pakistani counterpart Mamnoon Hussain (L) and Pakistani Prime Minister Nawaz Sharif (C, back) look on, upon arrival at Islamabad airport in Islamabad, on April 20, 2015. (Photo by (Pakistan P

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The author and Ahmed Farid