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Iraq explainer Sciutto earlystart _00011416.jpg
Iraq explainer Sciutto earlystart _00011416.jpg

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    What you need to know about ISIS in Iraq

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What you need to know about ISIS in Iraq

ISIS extremists in northern Iraq have made stunning advances in recent weeks. CNN's Jim Sciutto explains.

What you need to know about ISIS in Iraq

ISIS extremists in northern Iraq have made stunning advances in recent weeks. CNN's Jim Sciutto explains.