Washington (AFP) – One is a pastor, the other a scandal-hit football star: Georgia’s Raphael Warnock and Herschel Walker will face off in December for a US Senate seat that could swing the balance of power in Congress. Neither of the African American candidates earned more than 50 percent in Tuesday’s midterm election, forcing a runoff on December 6 While they are both natives of Georgia, the men are polar opposites. The 53-year-old Warnock, the Democrat candidate, is the current senator. He won his seat in a January 2021 runoff election that helped secure his party’s control of the Senate and…