Once again, the politics -- and incessant violence -- in the Middle East has forced its way into a closely contested U.S. presidential election. With apologies to the Marine Hymn, from the halls of the American embassy in Tehran to the shores of Tripoli, U.S. political candidates keep having to fight other countries' battles on land, air, and sea.This time, Republican presidential nominee Mitt Romney unleashed the first rhetorical salvo, even as events were spinning out of control in Cairo and Benghazi. Within hours, Romney was put on the defensive, while Barack Obama took to the Rose...

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