 running mate, Ohio Senator J.D. Vance. People in Vance's hometown of Middletown in southwest Ohio are reacting to the news. From member station WVXU, Tana Weingartner has more. After Trump revealed Ohio Senator J.D. Vance as his vice presidential running mate, self-described Republican Andrea McKellar was relaxing at a city park near downtown Middletown, Ohio.