United Auto Workers President Shawn Fain, center, visits striking UAW Local 551 workers outside a Ford assembly center on South Burley Avenue on Oct. 7, 2023, in Chicago. Throughout its 5-week-old strikes against Detroit’s automakers, the United Auto Workers union has cast an emphatically combative stance, reflecting the style of Fain, its pugnacious leader. (John J. Kim /Chicago Tribune via AP, File)