Iranian President Mahmoud Ahmadinejad visits an Islamic shrine Tuesday in Cairo. He became the first Iranian leader to visit Egypt since the 1970s. Amr Nabil/AP hide caption

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A demonstrator shouts anti-government slogans as he stands in front of the Justice Ministry in the Tunisian capital, Tunis, on Nov. 6, 2012, as part of a demonstration by radical Salafi Muslims protesting against the imprisonment of hundreds of Salafist militants. Amine Landoulsi/AP hide caption

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A protester holds a Quran at a Salafi rally for the enforcement of Islamic Shariah law last fall in Cairo's Tahrir Square. Repressed during the rule of President Hosni Mubarak, the country's ultra-conservative Salafis have seen a resurgence since the Arab Spring uprising. Mohamed Abd El Ghany/Reuters/Landov hide caption

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Egyptians supporters of ousted former President Hosni Mubarak celebrate an appeal granted by a court in Cairo, Egypt, Sunday. Amr Nabil/AP hide caption

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