The president has been focused on the race since the death of Lindsey Graham in July. Ms. Graham, the late senator’s sister, is competing against Representative Ralph Norman in a runoff on Aug. 25.
Representative Russell Fry, left, will endorse Senator Darline Graham in a special Republican primary runoff on Aug. 25 to permanently replace her brother, the late Senator Lindsey Graham.
The former governor and congressman is a staunch fiscal conservative who repeatedly broke with President Trump on government spending, among other issues.
The legacy of Lindsey Graham loomed over the field to replace him in a debate Monday. All eyes were on his sister, Darline, who was endorsed by President Trump.