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The Iranian nuclear program poses one of the most pressing national security challenges confronting the United States today. After years of increasing economic sanctions and diplomatic pressure -- backed by the threat of force -- under both Republican and Democratic administrations, the United States and the international community have still not achieved an acceptable outcome that prevents Iran from using its existing nuclear program for achieving a nuclear weapon. Meanwhile, Iran is dangerously approaching the threshold of a nuclear weapon capability as its centrifuges continue to produce a growing stockpile of enriched uranium that could be converted into material for a nuclear bomb. We have reached the point where all options -- economic, political, diplomatic, and military -- must...