As has so often happened in American history, we have a chance to be saved from our folly by our enemies, rather than by our own exertions. Our diplomatic corps have labored mightily, ever since the bloody seizure of power in Tehran by the Ayatollah Khomeini in 1979, to reach a rapprochement with the tyrannical rulers of the Islamic Republic of Iran. As Kenneth Pollack wrote in his recent book, "The Persian Puzzle," we have tried every possible approach, and they have all failed. And he sadly concluded that they all failed because the Iranian tyrants are not interested in...