NEW: "I continue to miss Lindsey every day and there is still a big hole in my heart." Darline Graham addresses supporters after winning the South Carolina Sen

NEW: "I continue to miss Lindsey every day and there is still a big hole in my heart." Darline Graham addresses supporters after winning the South Carolina Senate runoff, advancing in the race to fill the seat held by her late brother, Sen. Lindsey Graham. Graham celebrates the victory as she look…