Description:Clashes outside Cairo's Tahrir Square continue, as opponents of President Mohamed Mursi rally for a day of mass action. They're stepping up calls to scrap a decree Mursi made last Thursday, granting himself sweeping new powers and leaving him immune from judicial review. The decree, protesters say, threatens Egypt with a new era of autocracy, deeply dividing newly empowered Islamists and their opponents and triggering a rebellion by judges.(1:23)