State Sen. Jason Carter has sharpened his message against Gov. Nathan Deal as he more aggressively embraces the Democratic party line on education and healthcare policy debates that could decide the electi

Within the last week, the Atlanta Democrat outlined his unequivocal support for the expansion of Medicaid under the Affordable Care Act, a proposal that’s vilified by many conservatives. And he used a statewide education conference to push for increased training for teachers, a typically Democratic voting bloc he said has suffered on Deal’s watch.

Carter’s campaign recognizes the November election could hinge on these issues, and it’s ground that Deal is happy to fight over. The governor’s budget this year included a surge in education funding. And Deal has long argued a Medicaid expansion is too costly in the long run.

Carter's approach is not only a sharp departure from the governor's rhetoric. It also veers from the course forged by fellow Democrat Michelle Nunn, a candidate for an open Senate seat, who is positioning herself as an independent and has been reluctant to say whether she would have even voted for the healthcare overhaul.

Read more of our exclusive report at myajc.com, and find out Deal's reaction to Carter's sharpening tone.