Just days before the House of Commons debated whether Britain should secede from the E.U., Prime Minister David Cameron and his deputy, Nick Clegg, met with Herman Van Rompuy, President (or chair) of the European Council, to discuss Cameron’s threat to veto any proposed seven-year E.U. budget that is higher than the previous budget (allowing for inflation). The European Commission had proposed a 5% increase over the current budget, setting the stage for a clash of the titans across the federal and state levels. The British refusal even to negotiate on the federal budget exposed a major vulnerability in the E.U. itself just as it was being relied on internationally to protect the euro from succumbing to the systemic risk of Greece or Spain defaulting.
The full essay is at "E.U. & U.S."