Brian Poindexter had just finished wolfing down a Reuben sandwich in a deli outside Cleveland when he delivered a message that, coming from a Democratic House candidate in the year 2026, sounded almost provocative. “There’s nothing wrong with being masculine,” Poindexter told me. It’s okay, he said, to be “a manly man.” Poindexter’s own manliness credentials are fully in order. The 46-year-old started working in a machine shop as a teenager and spent years hauling furniture across the country before finding stability as a union ironworker. He drives a Ram Big Horn pickup truck and built, with his buddy turned...