Iran and Da Bomb

Wretchard at the Belmont Club has it exactly right, which is to say we agree with each other:

My own guess is that US -- and Israeli --policy towards Iran is constrained by the knowledge that the only lasting way to keep the Bomb from extremist Mullahs isn't an air strike, but regime change. If the objective is to keep Iran from obtaining weapons of mass destruction, air strikes, however effective, can only delay the process of acquisition. But only regime change, either through an internal upheaval or an outright invasion, can put an end to the ambitions of the Mullahcracy in Teheran.