Sheik Jawdat Said, 81, has been urging nonviolent protest in Syria for decades, and has been arrested many times. A scholar and an activist, shown here speaking at American University in Washington in March, he is heading back to Syria this week and plans to resume his call for peaceful opposition to the government. Jeff Watts/American University hide caption

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In this photo from 2009, Syrian President Bashar Assad (left) stands with then-Yemeni President Ali Abdullah Saleh during a welcoming ceremony for Saleh at the presidential palace in Damascus. As the violence continues in Syria, the U.S. and other countries are hoping to convince Assad to step down from power, as Saleh did. Louai Beshara/AFP/Getty Images hide caption

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Franz Kafka, who died in 1924, studied Hebrew in Germany during the last two years of his life. This is one of eight notebooks of his Hebrew studies that are part of the Israeli National Library's collection. Israel and an elderly Israeli woman are wrangling over Kafka documents that may include unpublished manuscripts. Natan Dvir/Polaris hide caption

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Historian Tom Holland has adapted Homer, Herodotus, Thucydides and Virgil for BBC Radio. His other history books include Rubicon, Persian Fire and The Forge of Christendom. Sadie Holland / hide caption

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Bassel Shehadeh, a budding Syrian filmmaker, left Syracuse University and returned to his homeland, where he filmed the uprising. He was recently killed during fighting in the central city of Homs. This photo was provided by the Shaam News Network. Shaam News Network/AFP/Getty Images hide caption

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