Mistrust runs deep over Egypt referendum - Article Photos 13/22

A protesters wears a sticker with Arabic that reads, "no to the supreme guide's rule, void, void," in Tahrir Square, the focal point of the Egyptian uprising, in Cairo, Sunday, Dec.16, 2012. Key Egyptian rights groups called Sunday for a repeat of the first round of the constitutional referendum, alleging the vote was marred by widespread violations. Islamists who back the disputed charter claimed they were in the lead with a majority of “yes” votes. (AP Photo/Amr Nabil)