The Jewish family of Henry Kissinger, America’s towering statesman of the Cold War who died aged 100 this week, fled to the US from their home town in Germany in 1938 only just in time to avoid arrest, deportation and worse. Kissinger returned to Germany as an American soldier in 1945, to encounter a corpse-strewn concentration camp near Hanover. The kind of place, he knew, where his own life would otherwise likely have ended.