Charles Lewis is a former editor and reporter for the National Post. Those who have been outraged by the Israeli attack on Gaza appear to know little about the history of warfare: “You started it” isn’t just a childhood retort; it’s also the way adults react, though with much deadlier consequences. It’s also a reaction that goes right to the root of civilization, one as old as the Old Testament – if not older. There is no getting away from the horror of what is playing out in Gaza. No one with an ounce of humanity can ignore the thousands...