Egypt's Islamist President-elect Mohamed Mursi waves to his supporters while surrounded by his members of the presidential guard in Cairo's Tahrir Square, June 29, 2012. Mursi took an informal oath of office on Friday before tens of thousands of supporters in Cairo's Tahrir Square, in a slap at the generals trying to limit his power. REUTERS/Amr Abdallah Dalsh (EGYPT - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)