A relative calm pervades Tahrir Square in the Egyptian capital Cairo on the eve of a second divisive referendum on a new draft constitution.<br /><br />The Muslim Brotherhood has called for a mass rally in Alexandria after violent confrontations between Islamists and liberal, secular Egyptians.<br /><br />The first vote on December 15 backed the new constitution supported by President Mohammed Mursi.<br /><br />...<br />http://www.euronews.net/