The full impact of the lengthy – and mostly welcome – global peace enjoyed by so many generations over recent years was spelt out last week when a survey showed that fewer than half of people under 35 would be prepared to fight for the country if required at “a time of need.”But before you go down the understandable route of tut-tutting and moaning about “the youth of today,” it would be prudent to look at what might lie behind this disappointing message from the British Social Attitudes Survey. Outside perhaps of any surviving grandparents, it’s highly likely most of...