Donald Trump charged the Secret Service as much as five times the typical government rate to stay at his properties, records obtained by the House Oversight Committee reveal. The development is only the latest example of the former president using the office to enrich himself. “The exorbitant rates charged to the Secret Service and agents’ frequent stays at Trump-owned properties raise significant concerns about the former President’s self-dealing and may have resulted in a taxpayer-funded windfall for former President Trump’s struggling businesses,” Committee Chair Carolyn Maloney (D-N.Y.) wrote to Secret Service Director Kimberly Cheatle, The Washington Post reported on Monday....