If John Barrow(Democrat) is forced into a runoff will that hurt or help Perdue?
Maybe it will help Perdue. Republicans turning out again to keep staunch anti-amnesty Barrow and other Republicans for the Republican candidate.
bing.com has a cool, interactive tool - “Bing Predicts”. They currently (as of yesterday a.m.) show Barrow at 45% chance of winning to Allen’s 55%