The campaign for Brexit succeeded by using the metaphor “take back control,” and no wonder: everyone wants more control in a world where events on the other side of the planet can affect jobs and prices in our local towns and villages. But did the removal of Britain from the European Union give the British more power to shape the world? Did it prevent foreign money from shaping U.K. politics? Did it stop refugees from moving from the war zones of the Middle East to Britain? It did not.