0Bill O’Reilly Buckles Under PressureHow do you get a stubborn anchor to do what you want? Challenge him on national television and throw in some audience booing. O’Reilly and Letterman faced off on the ‘Late Show’ Thursday until an unexpected agreement led to high-fives all around.Updated Apr. 24, 2017 2:27PM EDT / Published Oct. 14, 2011 8:34AM EDT CBS