Last week, Sen. Joe Manchin shook up the 2024 Senate map with his retirement announcement. But the West Virginia senator also left the door open to a third-party presidential run next year. NewsNation's Chris Stirewalt breaks down what this means. #Elections2023 #JoeManchin #Elections2024 #Trump #Biden "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