Politics & Government Running Against The Koch Brothers By Peter Overby Published March 6, 2014 at 3:00 PM CST Facebook Twitter Email Listen • 4:13 Phelan M. Ebenhack / APAmericans for Prosperity Foundation Chairman David Koch addresses attendees of the Defending the American Dream Summit in Orlando, Fla., Friday, Aug. 30, 2013. Copyright 2014 NPR