Keep calm - but do not carry on. Despite the claims of those intent on quitting Europe, there is nothing remotely inevitable about Brexit. In fact, extricating Britain from Europe is going to be the greatest challenge this country has faced since the Second World War - and potentially far more costly. By any measure, the simplest, easiest and most pragmatic of the many options still available to us would be to stop. It would certainly be the best thing for Britain. But how can it be done? Here, former Liberal Democrat leader Nick Clegg debunks the many ludicrous myths that have been used to force Brexit on Britain, not by 'Ã? the people' but by a small, extremely rich, entirely self-serving elite.