It is an experience as exhilarating as it is rare, but sometimes you can actually feel the electric crackle of history being made in the air around you. On June 7, 2020, amid the tumult of the global Black Lives Matter (BLM) uprising, a long-hated statue of the seventeenth-century slave trader Edward Colston was lassoed with ropes and pulled off its pedestal in Bristol by a crowd of hundreds of mostly young protesters.