Newly released Hamas casualty data may tell a different story from the one much of the world accepted during the Gaza war. The precise figures will continue to be debated, as wartime casualty figures almost always are. They helped transform a war launched by Hamas’ Oct. 7 massacre into a global indictment of Israel. It requires the lie — or the distortion, exaggeration or premature certainty — to arrive first and remain unchallenged long enough to alter the world. The debate over Gaza’s casualty figures concerns more than one wartime ledger.