Senators confront Secret Service director on Republican convention floor  CNNSecret Service director refuses to step down as FBI investigates Trump shooter Thomas Matthew Crooks  Fox NewsKimberly Cheatle Has Two Reputations to Save: The Secret Service’s—and Her Own  The Wall Street JournalGOP senators confront Secret Service chief at RNC  AxiosSpeaker Johnson calls for Secret Service director’s resignation, promises task force  The Hill