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It is now all but certain that the American administration has more or less resigned itself to a nuclear Iran. At the very least, it appears to have decided to take no military action against the Iranian nuclear program, nor even to support or encourage – publicly or discreetly – the Iranian popular opposition to the Ahmadinejad regime. The Obama administration will likely continue to pursue its policy of promoting engagement, either out of cynicism or naiveté, while simultaneously busying itself with the diplomatic give and take of arranging international support for sanctions which are unlikely to be effective. It is entirely possible, moreover, that American exhaustion from a decade of war and its public’s...