Egyptian pro-democracy advocate Mohamed ElBaradei, former chief of UN nuclear watchdog agency and Egypt's reformist leader, talks during a presser in Cairo, Egypt, 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/Amr Nabil)