A look at the history of runoff elections in Georgia © Brynn Anderson/AP, FILE People wait in line to vote in Georgia's primary election at Park Tavern on June 9, 2020, in Atlanta. With two runoff races in Georgia on Tuesday set to determine the balance of power in the U.S. Senate, some experts say the runoff process in the state is a continuation of discriminatory voting practices there. "In the American experience, runoff elections historically have disproportionately impacted African American communities in Georgia. Runoff elections were adopted to legally maintain white majority con...