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What’s known about Abu Bakr al-Baghdadi, the leader of the Islamic State, or ISIS? How did he become an important figure in the group? And who engineered his rise to power? FRONTLINE’s Martin Smith talks to Richard Barrett, a counterterrorism expert with the Soufan Group.
Get the full story. Watch the “The Rise of ISIS” Tuesday, 10/28 on PBS and online: http://www.pbs.org/frontline/rise-of-…
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