Darline Graham has Donald Trump in her corner. Will it be enough to win her brother’s Senate seat?

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Tuesday’s special GOP primary to replace the late Sen. Lindsey Graham on the November ballot is likely heading to a runoff, despite Trump’s endorsement and his popularity with the base.

A split composite of Ralph Norman and Darline Graham.

Rep. Ralph Norman and Sen. Darline Graham are likely to enter a GOP runoff, sources say.USA Today Network; Getty Images

Aug. 9, 2026, 5:00 AM EDT

By Scott Wong and Julie Tsirkin

WASHINGTON — Just days after Sen. Lindsey Graham’s sudden death, President Donald Trump threw his support behind the powerful Republican’s sister, Darline Graham, to run for a full six-year Senate term.

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