The spectacle of Iranian President Mahmoud Ahmadinejad cozying up to Latin American leaders hostile to the United States has sparked speculative comment about a replay of the Cuban missile crisis, if Iran bases missiles in those countries. As scary as that is, that’s not all there is to worry about. Ahmadinejad visited the bosses of Nicaragua, Ecuador and Venezuela last week. The distance from those places to, say, New York is about a third of the distance from Tehran to New York. It is well within range of Iranian missiles. Iran has no nuclear warheads - yet. It does have...