Tempers rise ahead of vote in Egypt - Article Photos 11/14

Egyptian protesters chant slogans as they attend a demonstration against a constitution drafted by Islamist supporters of President Mohammed Morsi in Tahrir square in Cairo, Egypt, Friday, Dec. 14, 2012. Opposing sides in Egypt's political crisis were staging rival rallies on Friday, the final day before voting starts on a contentious draft constitution that has plunged the country into turmoil and deeply divided the nation.(AP Photo/Khalil Hamra) ORG XMIT: KH105