As long simmering tensions between the United States and Iran have again boiled over into military action, we take a look back to 2009, when Daily Show correspondent Jason Jones visited Iran on the eve of citizen protests against the regime that erupted into violence.

In his four part series "Behind the Veil" Jason visits Tehran to interact with everyday Iranians, and talk to activists and journalists like Ebrahim Yazdi, and Maziar Bahari, who was arrested and imprisoned for his participation, but returned to discuss his incarceration with Jon Stewart.

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