Acting Secret Service director says he’s ‘ashamed’ after the Trump assassination attempt  The Associated PressHawley has tense exchange with Secret Service official  CNNEmbattled Secret Service faces tough questions on Trump shooting  The HillNew Secret Service chief grilled on ‘pattern of negligence’ within agency after Trump assassination attempt  Fox NewsActing Head of Secret Service ‘Ashamed’ That Roof at Trump Rally Was Unwatched  The New York Times