Student stuns Iran by criticizing supreme leader

Perhaps most surprising, the young math whiz has so far suffered no repercussions from the confrontation at a question-and-answer session between Khamenei and students at Tehran's Sharif Technical University.

In fact, Iran's clerical leadership appears to be touting the incident as a sign of its tolerance — so much so that some Iranians at first believed the 20-minute exchange was staged by the government, though opposition commentators are now convinced Vahidnia was the real thing.