It's all above my - and most people's - pay grade, but it has hard to imagine how the Brexit-related logistics problems get solved. It doesn't matter too much if fresh plums don't show up in the supermarket, but there aren't big stockpiles of nonperishable items, or places to store them, either. London's not the only place in the UK, of course, but thinking about the problem of feeding 8 million people per day and how you can possibly get around a major disruption of that....
