The Arab world has to take on Isis in its own backyard

The Middle East hosts a formidable array of air power. Between them, the six nations of the Gulf Co-operation Council possess more than 600 combat-capable aircraft. Add Jordan, Turkey, and Egypt, and you have 1,000 more. Why, then, is only the US dropping bombs on the jihadis of the Islamic State of Iraq and the Levant (Isis) as they expand their “caliphate” in the heart of the region?

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