On Friday, August 13, 2010, just as St. Martin’s Press was readying its initial shipment of this book, the Department of Defense contacted us to express its concern that our publication ofOperation Dark Heartcould cause damage to U.S. national security. After consulting with our author,we agreed toincorporate some of the government’s changes into a revised edition of his book while redacting other text he was told was classified. The newly revised book keeps our national interests secure, but this highly qualified warrior's story is still intact.Shaffer's assessment of successes and failures in Afghanistan remains dramatic, shocking, and crucial reading for anyone concerned aboutthe outcomeof the war.“While I do not agree with the edits in many ways, the DoD redactions enhance the reader’s understanding by drawing attention to the flawed results created...