Michael J. Sandel. What Money Can’t Buy: The Moral Limits of Markets. New York: Farrar, Straus and Giroux 2012.
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T. Christian Miller. “Contractors Outnumber Troops in Iraq”. Los Angeles Times, July 4, 2007 and James Glanz. “Contractors Outnumber U.S. Troops in Afghanistan”. New York Times, 2, 2009.
