Republican operatives have warned that even a presidential endorsement may fall short of carrying Lindsey Graham’s sister to victory in the fight for her late brother’s seatDarline Graham, 62, took the oath on July 14, days after Gov. Now she wants the job in her own right, and half a dozen GOP strategists told Axios on Friday that her head start is flimsier than it looks. The state holds a special Republican primary on August 11. Win McNamee/GettyThe family name is the first problem, the GOP strategists argue. Former state GOP chair Chad Connelly told Axios that she has “a lot of work to do.”