Britain's Prime Minister David Cameron, right, and Scotland's First Minister Alex Salmond, sign a referendum agreement during a meeting at St Andrews House in Edinburgh, Monday, Oct. 15, 2012. Cameron met with the leader of Scotland's separatist administration Monday to sign a deal on a referendum that could break up the United Kingdom. Officials from London and Edinburgh have been meeting for weeks to hammer out details of a vote on Scottish independence. Sticking points included the date and the wording of the question. (AP Photo/Gordon Terris, Pool)
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