Opponents of Egyptian President Mohammed Morsi clash with Islamist supporters of the president, unseen, as a cordon of riot police separates the groups in Alexandria, Egypt, Friday, Dec. 21, 2012. Thousands of Islamists clashed with their opponents Friday in Egypt\'s second largest city, Alexandria, on the eve of the second leg of voting on the country\'s contentious constitution that has deeply polarized the nation.(AP Photo/Ahmed Ramadan)
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