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Barack Obama has been commander in chief for nearly four years, but in important ways, the Obama era in American foreign policy has not yet begun. It will begin when Democrats express their foreign policy views as fearlessly as do their Republican counterparts and when those Republican counterparts can no longer impose their historical amnesia about the catastrophes of the last ten years on public debate. It will begin when the American right can no longer marginalize public officials with whom it disagrees about Iran by hurling charges of anti-Semitism with a promiscuity that would make Al Sharpton blush. It will begin when Obama surrounds himself with advisors more interested in shifting the foreign policy “mainstream” than parroting it. It will begin when Obama declares...