COLUMBIA, S.C. (AP) — In South Carolina — where <a href="https://apnews.com/article/c4f378baf5404e569d3a2a4e2581996b" target="—blank">Donald Trump’s 2016 primary victory</a> marked a turning point in solidifying his nomination, and where support for him remained high throughout his term — the contest to lead the state’s Republican Party is turning into a debate over