MAD has no place in the discussion with Iran. The former Soviet Union was not led by fanatical cultists who believed they could hasten the return of a non-existent well-dweller by causing death and chaos. To the Twelvers running Iran, death and destruction equals the madhi's return. So, while they rant and rave agains US/Israel "warmongering," they really welcome a strike. It serves their goals.
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from the article: Top U.S. General: Military option on Iran 'executable if necessary'