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Some experts say it could take until Friday for all the results to be tallied. State officials must certify the election returns next week.
Chambliss leads in figures supplied by the Secretary of States Office, with 49.9 percent compared to Martins 46.7 and Buckleys 3.4 percent. But Georgia law requires a runoff between the two top vote-getters when no candidate receives more than 50 percent.
Two other statewide runoffs on Dec. 2 were certain Tuesday. Sara Doyle and Mike Sheffield will go head to head for a vacant seat on the Court of Appeals. A Public Service Commission race between Democrat Jim Powell and Republican Lauren Bubba McDonald is also scheduled.
Floyd County will have no local runoffs on that date.
In addition to the statewide races, Polk County voters will decide a county board of education race. Democratic Jerry Baldwin (622) will square off against Republican Frank
Plant (611). Independent Chuck Thaxton was eliminated Tuesday with 606 votes.
In Gordon County, Probate Court Judge candidates Richie Parker and Dianne Kirby will face each other one more time.
Parker finished with 6,896 votes to Kirbys 3,336, but failed to win a majority as
Russell Thomas had 3,114 and Joel Hall had 2,316.
Chattooga, Walker, Catoosa and Dade residents will settle the Lookout Mountain Judicial Circuit judges race between Brian House, who received 16,877 votes, and Larry Stagg, who received 9,766 votes. Eliminated Tuesday were J. Michael Giglio, 8,433; Christopher Arnt, 7,865; and Bill Rhyne Jr., 7,716.