Egyptians wait in line to vote on a new draft constitution in Giza, south of Cairo, on Saturday. Gianluigi Guercia/AFP/Getty Images hide caption

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Polling station officials count ballots in Cairo on Dec. 15, at the end of the first day of vote in a referendum on a new constitution. AFP/Getty Images hide caption

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Women wait in line outside a polling station to vote on a disputed constitution drafted by Islamist supporters of President Mohammed Morsi in Cairo on Saturday. Amr Nabil/AP hide caption

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An Egyptian activist holds a banner used to spray-paint graffiti on a wall urging Egyptians to vote against a draft constitution. The opposition says the constitution does not represent all Egyptians, but its efforts have not been particularly well-organized. President Mohammed Morsi and his Islamist supporters support the draft constitution. Voting begins Saturday. Gianluigi Guercia/AFP/Getty Images hide caption

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Protesters chant slogans during a demonstration in front of the presidential palace in Cairo, Egypt, on Sunday. Petr David Josek/AP hide caption

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Egyptian President Mohammed Morsi held a "dialogue" in Cairo on Saturday. Overnight, an official announced the president would nullify a decree that gave him expanded powers. Maya Alleruzzo/AP hide caption

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Father Mina celebrates the Christmas Nativity Liturgy, the start of Christmas, at the Coptic Orthodox Church of St. George on Jan. 6 in Brooklyn, N.Y. Coptic churches around the country have witnessed a surge of Christians fleeing Egypt since the start of the Arab Spring. Spencer Platt/Getty Images hide caption

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