Chairman of the board of Americans for Prosperity David Koch speaks at the Defending the American Dream summit hosted by Americans for Prosperity at the Greater Columbus Convention Center in Columbus, Ohio, Aug. 21, 2015.
Chairman of the board of Americans for Prosperity David Koch speaks at the Defending the American Dream summit hosted by Americans for Prosperity at the Greater Columbus Convention Center in Columbus, Ohio, Aug. 21, 2015. Paul Vernon Associated Press
Chairman of the board of Americans for Prosperity David Koch speaks at the Defending the American Dream summit hosted by Americans for Prosperity at the Greater Columbus Convention Center in Columbus, Ohio, Aug. 21, 2015. Paul Vernon Associated Press

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