PBS NewsHour

Why some Americans are volunteering to fight IS

Clip: 07/21/2015 | 9m 11s

The State Department estimates that more than 150 Americans, including some U.S. military veterans, have packed their bags and flown to Iraq and Syria to volunteer with forces fighting against the Islamic State militant group. Special correspondent Marcia Biggs reports on what’s driving these soldiers.

Aired: 07/21/15

Rating: NR

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