Democrats in Florida and Georgia must win 50 % to avoid a runoff . The CNN poll also shows Nunn beating Perdue 51 % to 47 % in a run-off election that will take place on Jan. 6 if neither candidate wins in the first round . Democrats in those states are ahead in some polls but have n't reached 50 % .
Democrats in Florida and Georgia must win 50 % to avoid a runoff . Democrats in those states are ahead in some polls but have n't reached 50 % .