BREAKING: Darline Graham wins the South Carolina Senate runoff, advancing in the race to fill the seat held by her late brother, Sen. Lindsey Graham. Graham ha

BREAKING: Darline Graham wins the South Carolina Senate runoff, advancing in the race to fill the seat held by her late brother, Sen. Lindsey Graham. Graham has vowed to continue her brother's work, previously saying, "I've gotta step in and carry on his legacy." [▻](https://video.twimg.com/ampli…