Frontline Traces 'The Rise of Isis'

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 (Gokhan Sahin/Getty Images)

How did the Islamic State become so powerful, seemingly overnight, terrorizing the region, and catching the U.S. government off guard? That's the question Frontline seeks to answer in the new PBS documentary "The Rise of Isis." Forum talks to producer Martin Smith about the program.


Martin Smith, producer and reporter for Frontline's "The Rise of Isis"