Overnight, India claims to have struck nine targets inside Pakistan, as a response to the terror attack in Pahalgam, Kashmir, last month. According to India, its aircraft and drones hit camps belonging to the terrorist groups Jaish-e-Mohammed and Lashkar-e-Taiba. Many times over the past 70 years, India and Pakistan have exchanged fire, taken casualties, lost aircraft and ships. And yet those wars, those brief outbreaks of violence, never spiralled. Each one was, from a diplomatic point of view, a tragedy. Some were very big wars, totally forgotten in the West. ... The same may not be true inside Britain. Britain...