J.D. Vance joins already chaotic Ohio Senate primary

Ohio’s blockbuster Republican Senate primary just got even bigger.

J.D. Vance, the venture capitalist and best-selling author of “Hillbilly Elegy” officially launched his campaign Thursday, joining the crowded race to replace retiring GOP Sen. Rob Portman. Vance announced his campaign with a rally in his home town of Middletown, Ohio.