Egypt mass protests challenge Islamist president - Article Photos 11/31

Egyptian protesters chant slogans at rally in Tahrir Square in Cairo, Egypt, Tuesday, Nov. 27, 2012. Egyptians flocked to Cairo's central Tahrir square on Tuesday for a protest against Egypt's president in a significant test of whether the opposition can rally the street behind it in a confrontation aimed at forcing the Islamist leader to rescind decrees that granted him near absolute powers. (AP Photo/ Khalil Hamra)