GOP Gov. Sonny Perdue -- until now widely favored in polls -- may be about to come under heavy fire over a change to state tax law that saved him $100,000 on a land deal. The bill had a pair of last-minute additions seemingly tailor-made for his own land deal -- just in time to file his taxes. If this gets sufficient media play, Perdue's re-election could suddenly look a lot less certain. More from the Atlanta Journal-Constitution.