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An ISIS flag flies on the other side of a bridge at the frontline of fighting between Kurdish Peshmerga fighters and Islamist militants in Rashad, on the road between Kirkuk and Tikrit, on September 11.
An ISIS flag flies on the other side of a bridge at the frontline of fighting between Kurdish Peshmerga fighters and Islamist militants in Rashad, on the road between Kirkuk and Tikrit, on September 11.

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    Fmr. CENTCOM commander on rise of ISIS

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Fmr. CENTCOM commander on rise of ISIS

Residual U.S. forces in Iraq wouldn't have prevented rise of ISIS, says former CENTCOM commander Gen. Anthony Zinni.

Fmr. CENTCOM commander on rise of ISIS

Residual U.S. forces in Iraq wouldn't have prevented rise of ISIS, says former CENTCOM commander Gen. Anthony Zinni.