Being an insomniac, I woke about 4 a.m. last Friday, turned on the BBC and there was the news already, although the details were sketchy, that a couple of hours earlier a Malaysian Airlines passenger jet had been brought down over Ukraine. It seemed inconceivable, but it soon became clear that it was true and, from that moment till now, everyone in their heart of hearts has known the gruesome truth: that 298 innocent people have been murdered by Ukrainian rebels who, egged on, armed and encouraged by Russia, had fired a missile at the plane and utterly destroyed it....