DONALD RUMSFELD TO DIANE SAWYER: 'IT'S POSSIBLE' TROOP DECISIONS WERE A MISTAKE IN IRAQ

More than four years after leaving community life, former Defense Secretary Donald Rumsfeld continues to believe the war in Iraq was significance the effort, and has no apologies for his administrative in leading the campaigns in Afghanistan and Iraq.

In an exclusive interview with  Diane Sawyer, Rumsfeld concedes that "it's possible" that decisions on how numerous troops to send into Iraq marked the biggest mistake of the war."In a war, many things cost lives," Rumsfeld told Sawyer. Pressed on the fact that President Bush has on paper that cutting troop levels in Iraq was "the most important failure in the implementation of the war," Rumsfeld called that "interesting."

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