
Muslim Brotherhood and Egyptian President Morsi supporters chant slogans during a funeral of three victims who were killed during Wednesday's clashes outside Al-Azhar mosque, the highest Islamic Sunni institution, Friday, Dec. 7, 2012. During the funeral, thousands Islamist mourners chanted, "with blood and soul, we redeem Islam," pumping their fists in the air. "Egypt is Islamic, it will not be secular, it will not be liberal," they chanted as they walked in a funeral procession that filled streets around Al-Azhar mosque. Thousands of Egyptians took to the streets after Friday midday prayers in rival rallies and marches across Cairo, as the standoff deepened over what opponents call the Islamist president's power grab, raising the specter of more violence. (AP Photo/Hassan Ammar)

Muslim Brotherhood and Egyptian President Morsi supporters chant slogans during a funeral of three victims who were killed during Wednesday's clashes outside Al Azhar mosque, the highest Islamic Sunni institution, Friday, Dec. 7, 2012. During the funeral, thousands Islamist mourners chanted, "with blood and soul, we redeem Islam," pumping their fists in the air. "Egypt is Islamic, it will not be secular, it will not be liberal," they chanted as they walked in a funeral procession that filled streets around Al-Azhar mosque. Thousands of Egyptians took to the streets after Friday midday prayers in rival rallies and marches across Cairo, as the standoff deepened over what opponents call the Islamist president's power grab, raising the specter of more violence. (AP Photo/Hassan Ammar)

Egyptian journalists tape their mouths and raise their pens during a demonstration Sunday against the Islamist-backed constitution, which the Muslim Brotherhood claimed passed with a 64 percent “yes” vote in a referendum. The opposition in the tumultuous nation has alleged vote fraud and is demanding an investigation. (Associated Press)

Egyptian journalists tape their mouths and raise their pens during a demonstration Sunday against the Islamist-backed constitution, which the Muslim Brotherhood claimed passed with a 64 percent “yes” vote in a referendum. The opposition in the tumultuous nation has alleged vote fraud and is demanding an investigation. (Associated Press)

Muslim Brotherhood leader Mohammed Badie, second right, waits in line outside a polling place in Beni Suef, Egypt, to vote on a constitution drafted by Islamist supporters of President Mohammed Morsi, Saturday, Dec. 22, 2012. (AP Photo/Mohamed Nohan, El Shorouk Newspaper)

Muslim Brotherhood leader Mohammed Badie, second right, waits in line outside a polling place in Beni Suef, Egypt, to vote on a constitution drafted by Islamist supporters of President Mohammed Morsi, Saturday, Dec. 22, 2012. (AP Photo/Mohamed Nohan, El Shorouk Newspaper)

ASSOCIATED PRESS A poster in Cairo says in Arabic, “Your constitution is invalid.” In advance of Egypt’s constitutional referendum Saturday, the Muslim Brotherhood has been putting up posters urging acceptance, but the issue is very divisive.

ASSOCIATED PRESS A poster in Cairo says in Arabic, “Your constitution is invalid.” In advance of Egypt’s constitutional referendum Saturday, the Muslim Brotherhood has been putting up posters urging acceptance, but the issue is very divisive.

Egyptian protesters chant slogans against the Muslim Brotherhood and President Mohammed Morsi outside the presidential palace under a banner with a defaced picture of Mr. Morsi and Arabic that reads, "The people want to bring down the regime," in Cairo on Saturday, Dec. 8, 2012. (AP Photo/Hassan Ammar)