The Secret Service is providing Kimberly Cheatle, its former director who resigned last month, a security detail in an unprecedented effort to protect a former agency chief amid lingering national anger about the myriad security lapses under her watch that led to the assassination attempt against former President Donald Trump and the killing of firefighter Corey Comperatore, according to three sources in the Secret Service community. Cheatle has faced an ongoing firestorm of fury from Americans citizens, and even rank-and-file Secret Service special agents and officers, over the agency’s failures that created an opening for shooter Thomas Crooks to open...