Defeated GOP challenger urges voters to oppose Hinson in Iowa Senate race

Former Iowa state Sen. Jim Carlin (R), who lost his GOP primary bid for U.S. Senate this month, is refusing to endorse the race’s victor, Rep. Ashley Hinson (R-Iowa), as she kicks off her general election campaign to succeed retiring Sen. Joni Ernst (R-Iowa). In a statement posted to his campaign website, Carlin thanked his…