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At the heart of Obama's grand strategy was a mistaken definition of the strategic challenge. Now that the Arab uprisings have dragged the United States through a crash course on Middle Eastern realities, U.S. policymakers can more easily recognize the deepest drivers of politics in the region -- namely, the vast number of severe conflicts that set Muslims against Muslims. From a practical strategic point of view, there is no such thing as "the Muslim world." Any effort to write a narrative of cooperation with a thing that does not actually exist is bound to encounter severe difficulties.

The United States must therefore dispense entirely with grand strategies that seek to foster a conciliatory image of the United States and to solve the Arab-Israeli conflict. Instead, it should...