Anti-government protesters rise their hands in the victory sign in Cairo's Tahrir Square, Friday, Feb. 4, 2011. The Egyptian military guarded thousands of protesters pouring into Cairo's main square on Friday in an attempt to drive out President Hosni Mubarak after a week and half of pro-democracy demonstrations. (AP Photo/Emilio Morenatti)

Photo by: Emilio Morenatti

Anti-government protesters rise their hands in the victory sign in Cairo's Tahrir Square, Friday, Feb. 4, 2011. The Egyptian military guarded thousands of protesters pouring into Cairo's main square on Friday in an attempt to drive out President Hosni Mubarak after a week and half of pro-democracy demonstrations. (AP Photo/Emilio Morenatti)