An Egyptian army member stops a pro-Mubarak supporter from speaking about Egyptian President Hosni Mubarak, during a speech by a cleric asking Mubarak to step down, before Friday prayers at Tahrir Square in Cairo February 4, 2011. Egyptians fighting to oust Mubarak hoped to rally a million people on Friday as the United States worked to convince the 82-year-old leader to begin handing over power. REUTERS/Amr Abdallah Dalsh (EGYPT - Tags: CIVIL UNREST POLITICS)