Germany, more than any other country, is struggling to disentangle the horrors of the 7 October Hamas massacre in Israel, the subsequent death of more than 30,000 Palestinians and the demolition of Gaza, and the killing of aid workers, from the scale of the Holocaust more than eight decades earlier. History has come back to haunt Germany with unpredicted ferocity. The confusion is intense, but it predates 7 October and permeates wider questions about the nature of the country’s contemporary society. Multiculturalism snuck up on Germany without most people realising. Waves of immigration from the 1970s onwards were initially regarded...