I think this is a very big open question. I'm generally of the mindset that projecting current trends isn't infallible and that trends are only temporary. The two big questions for Georgia are whether upper-middle class white voters in the Atlanta suburbs continue to drift left and whether Republicans make significant inroads in the black vote.
Cobb County :
2012: Romney 55.25%
2020: Trump 42.02%
Forsyth County:
2012: Romney 80.47%
2020: Trump 65.83%
Gwinnett County:
2012: Romney 53.76%
2020: Trump 40.16%
Henry County:
2012: Romney 51.1%
2020: Trump 39.24%
