Hold off the jibes and sighs over how much poorer Brexit Britain will be. Forget about the mendacity and slipperiness of Boris ’n’ Nigel. In the six months since the referendum these have been the clever arguments to make, the ones that fill the sophisticated newspapers and BBC discussions. But none answer the far simpler and much harder question: then what? What happens when 17 million people get the feeling they’ve been cheated?
That will be the most profound question in British politics, not just in 2017 but for many years to come. As the broken promises of Brexit pile up one on top of the other, so that they are visible from Sunderland, from Great Yarmouth, from Newport, what will the leave voters do then?