Over the past few years I find I’ve written a great deal about war, which is odd because I’m supposed to be a professor of English literature. And I find I’ve given the Second World War a uniformly bad press, rejecting all attempts to depict it as a sensible proceeding or to mitigate its cruelty and swinishness. I have rubbed readers’ noses in some very noisome materials—corpses, maddened dogs, deserters and looters, pain, Auschwitz, weeping, scandal, cowardice, mistakes and defeats, sadism, hangings, horrible wounds, fear and panic. Whenever I deliver this unhappy view of the war, especially when I…