As Iraq's politicians fumble, Iran fears its own quagmire

While volunteers have signed up to defend Shiite shrines in Iraq, Iran is leery of entanglement and suspicious of US motives. Iraq's parliament remains deadlocked on forming a new government. 

By , Staff writer

Scott Peterson/Christian Science Monitor/Getty

Within days of Sunni jihadists' surge across Iraq last month, 5,000 Iranian volunteers had registered to fight and defend Iraq's Shiite shrines.