'Frexit' fever reaches heart of French establishment

``Prof Heisbourg... says Europe's leaders have lost sight of priorities, seeming to think that the European system must be convulsed and refashioned for the needs of the euro, as if -- pre-Copernican -- the sun rotates around earth. "You cannot create a federation to save a currency. Money has to be at the service of the political structure, not the other way around," he says.''