Former transportation secretary Pete Buttigieg is expected to announce Thursday that he will not run for Michigan's open Senate seat as he positions himself for another presidential bid in 2028. Buttigieg, who ran a failed presidential campaign in 2020, is looking to strengthen his White House prospects by avoiding back-to-back campaigns in 2026 and 2028, his allies told Politico 's Adam Wren. The decision comes after Buttigieg, who moved to Michigan in 2022, acknowledged that he had been "