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Polling stations opened in Egypt on Saturday for the second round of voting on a referendum to change the country's Constitution. Voting began in the 17 provinces where it was not available last week, where analysts expect the results to confirm the alterations. The referendum, which gives sweeping powers to President Mohamed Morsi, has caused conflict across the country, including clashes in Alexandria on Friday. In the sharply divided conflict, the president has the upper hand, having received 56 percent approval in last week's vote, which had a 32 percent turnout rate.