Blasts from the past like Mark Sanford and Trey Gowdy could be in the field, along with some 2026 losers. Then there’s the late incumbent’s sister.

A competitive Senate race in South Carolina sees Trump-endorsed Darline Graham Nordone struggling in polls. Ralph Norman's nomination odds at 8% YES.

South Carolina Republican Sen. Darline Graham has collected several key endorsements since announcing Monday she would run for the seat of her late brother, Lindsey Graham. But…