Washington — Sen. Darline Graham will advance to a runoff later this month in the South Carolina special Republican primary for Senate, CBS News projects, as she vies to replace her late brother, Sen. Lindsey Graham, on the ticket in November. South Carolina Gov. Darline Graham, 62, has had a career in disability services and most recently served as commissioner of the South Carolina Commission for the Blind. But the president's endorsement didn't prevent other Republicans from jumping into the race for a full term representing South Carolina. Among the crowded field was Rep. Russell Fry, who's represented South Carolina in the House since 2023, and Rep. Ralph Norman, who's done the same since 2017, along with former South Carolina Gov.