THERE is a saying about war that we really should not forget, particularly when there is no end in sight to the production of weapons, the firing of ammunition and people’s misery. It goes, “Every gun that is made, every warship launched, every rocket fired signifies in the final sense, a theft.”

“Theft” is a surprising word. But the person who uttered it, Dwight D. Eisenhower, knew what he was talking about. He—the only general eve