U.S. Needs Iran to Beat Islamic State

Partnering with Shiite forces is the lesser of two evils.

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Photographer: Ahmad Al-Rubaye/AFP/Getty Images

The fall of the Iraq city of Ramadi to Islamic State is significant -- but not because of the strategic importance of the capital of the Anbar province. Rather, the failure of Iraq's official security forces emphasizes a fundamental quandary facing the anti-Islamic State coalition.

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