Grand Ayatollah Hossein Ali Montazeri, 86,  foreground ,who was once the heir apparent to lead Iran but fell from favor and spent five years under house arrest as the regime's most feared dissident  leads Eid al Fitr prayers after the end of the Holy month of Ramadan  in Qom about 80 miles southwest of Tehran, Iran, on Wednesday Oct. 1, 2008. AP Photo logo AP Photo 16 months ago

Grand Ayatollah Hossein Ali Montazeri, 86, foreground ,who was once the heir apparent to lead Iran but fell from favor and spent five years under house arrest as the regime's most feared dissident leads Eid al Fitr prayers after the end of the Holy month of Ramadan in Qom about 80 miles southwest of Tehran, Iran, on Wednesday Oct. 1, 2008.