Secret Service Director Kimberly Cheatle has resigned after the assassination attempt against former President Donald Trump at his rally. Homeland Security Secretary Alejandro Mayorkas has appointed Deputy Director Ronald Rowe as acting director. Rep. Greg Steube, R-Fla., joins “The Hill” to discuss the latest. #KimberlyCheatle #AlejandroMayorkas #DonaldTrump "The Hill on NewsNation" combines the power of two trusted news sources to define today's most-pressing issues, and question Washington's power brokers on what matters most to the people they serve and what matters most to Americans. Weekdays at 5p/4C. NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij