Once Peter Young (???) gets going, you can’t be sure where he’ll end up. One minute, it’s eighteenth-century Baltic history, the next, the health benefits of chokeberry wine. A discussion of the current situation in his native Hong Kong kicks off a sweeping tour of Chinese history that begins with the 1966 riots in the city state, then jumps back seven centuries to Mongol rule, before rejoining the twentieth century with the massacre of the Manchus in the wake of the 1911 Revolution. Along the way, there are detours to Vichy France, 1960s Taiwan and Young’s school days in Geneva…