Young fans of the German national soccer team drink iced tea in July 2010 as they watch the FIFA World Cup semi-final match Germany vs. Spain in an Arabic cafe in Berlin's Neukölln district. The neighborhood has gentrified rapidly in recent years, but many of the white families moving in leave once their children reach school age. Local groups are trying to change that. AFP/AFP/Getty Images hide caption

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Russian opposition leader Boris Nemtsov, who was shot dead last Friday, was one of the most outspoken critics of President Vladimir Putin. No arrests have been made in his killing. Ivan Sekretarev/AP hide caption

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Three women, two of them partially veiled, walk past a hijabs shop in Paris. The wearing of the veil has been a serious point of contention in France, with the government banning its use in public schools and the wearing of face-covering garments, including burqas and niqabs, in public. Miguel Medina/AFP/Getty Images hide caption

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Mohammed Emwazi is a Kuwaiti-born Londoner believed to be "Jihadi John," the central figure in the beheading videos released by the self-declared Islamic State. A British group, Cage, was in contact with Emwazi several years ago and claims that his treatment by British security officials contributed to his radicalization. Kyodo/Landov hide caption

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Ismael Medjdoub grew up in one of Paris' banlieues. He spends up to two hours a day commuting from his home in Tremblay en France to work and to school at the prestigious Sorbonne in Paris. Bilal Qureshi/NPR hide caption

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