A disunited EU leaves us vulnerable - Europe’s defence obligations

Over recent weeks anyone could choose from a litany of commemorative First World War documentaries to better understand how that catastrophe unfolded, to remember and learn from that war’s enduring legacy.

One piece was more sobering, more shuddering than the other but Peter Jackson’s They Shall Not Grow Old, in which he adjusted the speed of film shot a century ago and coloured it to make it speak all the louder in today’s world, was exceptional. It had a real moral force.