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This year's winner of the Nobel peace prize – that 27-nation bloc known as the EU – appears increasingly to make decisions in the small hours of the morning; and only then to reaffirm the ones everyone else thought it had made three months ago. François Hollande can today draw quiet consolation from a Brussels summit that agreed that he got his way: a single supervisor will oversee banks in the eurozone next year. But quiet is the operative word. No one was shouting about the progress made.