Iran is an American enemy already, a pal with China and Russia, economically up-and-at-’em, more than a little pleased about its missile and warhead accomplishments, capable of producing nuclear weapons in a hurry and now in a war with Israel making the world less safe every minute. Possible consequences include a second international cold war threatening disastrous American decline or, conceivably, even a third world war. Hey, wait a minute, you say, Iran is not at war with Israel; it’s Hamas, the terrorist ruler of Gaza, the next-door neighbor accompanied by other Middle East groups such as …