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We remain a nation at peril, but are we still a nation at war? In his State of the Union speech, President Obama signaled, yet again, that the war in Afghanistan is effectively over. Soon, in fact, it will be over by any honest measure: The presence of American troops will be halved to 34,000 in the coming months, and erased entirely by December 31, 2014. On this arbitrarily chosen date, the president claims, we will “achieve our core objective of defeating the core of al-Qaeda.”