COLUMBUS, Ohio (AP) — The Ohio seat formerly held by Vice President JD Vance is up for grabs on Tuesday as Republican Sen. Jon Husted tries to ward off a stiff challenge from Democrat Sherrod Brown in one of the most hard-fought and costly Senate races in the country. The winner will serve the final two years of the six-year Senate term Vance won in 2022. Husted, the former lieutenant governor, has held the seat since his appointment in January …