Unacceptable.(IRAN)

FOUR years ago, President Bush said his administration would not "permit the world's most dangerous regimes to threaten us with the world's most destructive weapons." Yet precisely that is about to happen. With Iran's announcement that it has begun uranium enrichment, we know that the world's most dangerous regime is on a fast track to building an atomic bomb.

Atomic bombs are only as scary as the regimes that own them--but this one is about as bad as they come. The mullahs would surely threaten us with their arsenal to extract concessions inimical to our interests, and might even be evil enough to launch their nukes. Consider Hashemi Rafsanjani, that celebrated "moderate," exulting that the Muslim world will "vomit [Israel] out from its midst," since "a single atomic bomb has the power to completely destroy [it]." Nuclear deterrence operates on the assumption that your foe is rational. Things break down when much of its ruling establishment fancies itself on a divine mission to evaporate the Zionist Entity, roll back the Great Satan, and usher in a paradisiacal rule by sharia. That's not a regime to bargain with. The goal must be to remove it from power.

This doesn't mean invasion and occupation. But it does mean getting serious about supporting the Iranian democracy movement. There are three things we should do now. First, give financial backing to Iranian labor unions so that workers--many of whom are deeply discontent with their government--can feed their families if they go on strike. Second, help Iranian student groups. Roughly 70 percent of Iran's population is under 30. These youths are the most ...