That will be hard to shake. Mr. Ahmadinejad’s rise to power was in part because of Guard support, and he has since rewarded it handsomely. The Revolutionary Guard runs Iran’s nuclear program. And outside agencies estimate that Iran could become able to assemble a nuclear weapon between 2010 and 2015.
As one of Mr. Obama’s aides said the other day, “for the leadership, that suggests the next five years are no time to be messing with the formula.”