Who is Darline Graham Nordone? 

The younger sister of the late Sen. Lindsey Graham (R-S.C.), Darline Graham Nordone, has been catapulted into the spotlight as a potential replacement for her older brother and former guardian. Although the deceased lawmaker was her senior by just seven years, he took over caring for 13-year-old Nordone in 1977 after both of their parents'...