When Should We Go To War?

Richard N. Haass was pleased with the originality of his new book’s title — at least until he Googled it. On a tip from a friend who thought War of Necessity, War of Choice sounded familiar, Haass, president of the Council on Foreign Relations, discovered someone had claimed the phrase before him. “Somebody beat me to it by 800 years — Maimonides,” Haass said to a laugh from the full house at the RAND Corporation. “Before you go out there claiming originality, check with Google, and perhaps your rabbi.” But …