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The execution-style killing of Muammar al-Qaddafi by a mob of gunmen in the ruins of Sirte last week put an end to NATO's six-month military intervention in Libya. Unless the country descends into anarchy or an equally abhorrent dictator succeeds Qaddafi, the Libya intervention will be regarded as a victory for the West, for the United States, and for that reluctant but surprisingly fierce warrior, President Barack Obama. And it's a victory that came on the cheap. It is rare thing indeed for the Pentagon to spend as little as $1 billion on a successful military campaign, without losing ten times that amount in the sofa cushions.

But if the Libya intervention turns out to be a political and moral victory, it also illustrates once again the motto, inter arma silent leges...