In 'big trouble'? The factors determining Iran's future

The demonstrations moved from protesting economic grievances to demanding a wholesale change from the clerical system that has ruled Iran since the 1979 revolution that ousted the shah. The authorities have unleashed a crackdown that, according to rights groups, has left hundreds dead while the rule of supreme leader Ayatollah Ali Khamenei, now 86, remains intact. "These protests arguably represent the most serious challenge to the Islamic republic in years, both in scale and in their increasingly...