The current clash between David Cameron and Alex Salmond over a future Scottish referendum for independence is the latest confrontation in a 2000-year history of rivalry between England and Scotland.
At the moment the two leaders are locked in a political, legal and perhaps constitutional row over who can trigger a referendum in Scotland, when it should be held and what the question should be on the ballot paper. Alex Salmond believes he can hold a referendum without asking Westminster for permission first, and that he'd like to do this in the autumn of 2014.
As with so much these days, it's possible to blame the Italians for starting it all.
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