Editor's note: Readers may also be interested in Iran: The Invisible Revolution. During the U.S. presidential campaign, debate over Iran policy received unprecedented attention. The reasons are multifold. With Iran on the verge of developing both nuclear and intercontinental ballistic missile capability, Washington policymakers can no longer ignore the Iranian threat, especially when confidants of Supreme Leader Ali Khomenei lead televised chants of "American will be annihilated," as Ayatollah Ahmad Jannati did last June. American concern over a nuclear Iran is multifold. The danger is not necessarily that Iran would conduct a nuclear first strike, although former president Ali Akbar...