From the outside, Pizzeria Vesuvio seems just like any other pizza place in West London: a buzzy, cheerful Italian spot on a street where cooks from Sri Lanka rub shoulders with waitstaff from Spain, Georgia, Wales, Poland and more. But upstairs, on the battered leather sofas, lives are being altered drastically and often illegally, as money, legal aid, safe passage and hope are dealt out under the table to those deemed worthy. Set in the opening...