As 2009 draws to a close and the second decade of the 21st century looms before us, there is no greater danger facing the world than the prospect of a nuclear Iran. As the events of recent weeks have made abundantly clear, sanctions and diplomacy have utterly failed to stop Teheran's march down the road to an atomic arsenal. The ayatollahs have gleefully ignored repeated warnings from the West, and stubbornly insisted on proceeding apace toward nuclear proficiency.

