Political discussions invariably involve a pint on the side, writes Alastair Gilmour. A year this month, we wave goodbye to the European Union. Depending on our political persuasion, we’ll either be weeping into tapas, French fries and Belgian beer or wrapping up cosily in a Union Jack, patting Bullseye on the head while delving into fish and chips and drinking golden, sparkling lager. Obviously it’s all a bit confusing – not least that fish and chips, the most British of Bri