Already considerably weakened by numerous strategic setbacks in its region of influence and by a protest movement that shows no sign of abating despite repression, Iran is now the target of a "regime change" campaign by the United States and Israel. Despite the deaths of several leaders, however, the mullahs' regime has not yet had its final say in the face of a divided opposition and an unclear American strategy. What scenarios are emerging for Iran, its population, and the entire region?