
Graffiti depicting Egyptian President Mohammed Morsi as a pharaoh and Arabic that reads, "void," covers a wall in Tahrir Square in Cairo, Egypt,, Monday, Dec. 10, 2012. (AP Photo/Hassan Ammar)

Egyptian protesters opposing president Mohammed Morsi attend Friday prayers beneath with a poster depicting protesters killed in the Egyptian revolution, at Tahrir Square, Cairo, Egypt, Friday, Dec. 7, 2012. Arabic on the poster reads their names from right "Islam, Jaber, Khalid Said, Emad Effat and Mina Daniel." 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/Nasser Nasser)

An Egyptian protester opposing president Mohammed Morsi attends Friday prayers at Tahrir Square, Cairo, Egypt, Friday, Dec. 7, 2012. 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/Nasser Nasser)

Two Egyptian women protesters pay their respects in front of a spot designated for pictures of protesters killed during the Egyptian revolution and verses of Quran that reads "do not kill the soul that God restricted you from killing without justice," at Tahrir Square, Cairo, Egypt, Friday, Dec. 7, 2012. 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/Nasser Nasser)

An Egyptian boy atop his mother’s shoulders waves a national flag in Tahrir Square in Cairo, where several hundred demonstrators have been camping for two weeks. (Associated Press)

A young Egyptian boy waves a national flag from his mother's shoulders as protesters chant slogans in Tahrir Square in Cairo, Egypt, Tuesday, Dec. 4, 2012. (AP Photo/Maya Alleruzzo)

Fireworks burst over Tahrir Square as protesters gather in Cairo on Dec. 4, 2012. Demonstrations by tens of thousands of Egyptians outside the presidential palace turned violent as tensions grew over Islamist President Mohammed Morsi's seizure of nearly unrestricted powers. Thousands of protesters also gathered in Cairo's downtown Tahrir Square, miles away from the palace, to join several hundred who have been camping out there for nearly two weeks. (Associated Press)

An Egyptian boy atop his mother’s shoulders waves a national flag in Tahrir Square in Cairo, where several hundred demonstrators have been camping for two weeks. (Associated Press)

Fireworks burst over Tahrir Square as demonstrators gather in Cairo on Tuesday, Dec. 4, 2012, to protest Islamist President Mohammed Morsi's seizure of nearly unrestricted powers. (AP Photo/Maya Alleruzzo)