The defining security challenge of our times is the US-China geopolitical rivalry, the intensity of which seems to be growing by the day.

There are recurrent debates in strategic studies that go back to Antiquity, before the word “strategy” even assumed its modern meanings.

Dr Klaus Schmider describes his recent book, Hitler’s fatal miscalculation, as a military historian’s attempt to analyse the 20th Century’s most momentous and most idiosyncratic act of hor