Dovid Karpov has been the rabbi at the Darkei Shalom synagogue since it was built 15 years ago. Like many people in his congregation, Karpov grew up in a Soviet-era family that was not religious. He says he had to learn his faith for himself. Sergei Sotnikov/NPR hide caption

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Russia is suffering from an exodus of educated, talented citizens, including scientists. Here, scientists rally in Moscow to demand the government increase funding for science last October. Kirill Kudryavtsev/AFP/Getty Images hide caption

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Members of historical clubs, dressed as Russian cavalry, advance during the 2010 re-enactment of the 1812 battle between Napoleon's army and Russian troops in Borodino. AFP/Getty Images hide caption

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Police examine the site of a car bomb in the Russian city of Kazan on July 19. Ildus Faizov, the mufti of Tatarstan and the top Islamic leader in the region, was wounded in the explosion, while his deputy, Valiulla Yakupov, was shot dead in a separate incident on the same day. Roman Kruchinin/AFP/Getty Images hide caption

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Gumar Ganiyev opens the gates of the compound where members of the Islamic sect he belongs to have lived in seclusion since the early 2000s outside Kazan, capital of the Russian province of Tatarstan, earlier this month. Nikolay Alexandrov/AP hide caption

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Russian protest leader Alexei Navalny speaks to the media as he arrives for questioning at the headquarters of the Russian Investigation committee in Moscow on Monday. Misha Japaridze/AP hide caption

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Members of the feminist punk band Pussy Riot, Nadezha Tolokonnikova (left), Yekaterina Samutsevich (center) and Maria Alyokhina, at a hearing in Moscow court on Monday. Andrey Smirnov/Getty Images hide caption

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