PBS NewsHour

What's behind the gruesome strategy of the Islamic State?

Clip: 09/14/2014 | 4m 43s

Another video portraying the beheading of a foreign hostage was released Saturday by the Islamic State. What's behind this gruesome strategy? Tom Sanderson from the Center for Strategic and International Studies joins Hari Sreenivasan to discuss the issue.

Aired: 09/14/14

Rating: NR

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