They say after Brexit there’ll be food rotting in the fields. It’s already started | John Harris

Farms in the UK rely on fruit and vegetable pickers from the European Union. But this summer they’re staying away, and the harvest will be hitIn the wake of an ocean of writing linking Brexit to the zeitgeisty Dunkirk spirit, here’s one more martial metaphor. Self-evidently, this is the phoney war stage of the process. Negotiations have barely started; the prime minister is on holiday. Most importantly, the fragile tangle of threads that defines what passes for Britain’s econom