Since the South Carolina Republican Party introduced the state's "First in the South" presidential primary in 1980, the race has often positioned one GOP contender as the unquestioned front-runner moving into later primaries. In 2024, South Carolina could once again prove decisive in the Republican presidential primary, albeit as a potential final nail in the coffin. Heading into Saturday's contest, former President Donald Trump holds a dominant position in the GOP race over his only remaining major opponent, former U.N. Ambassador Nikki Haley.