Former President Donald Trump’s decision to reignite his long-running feud with Georgia Republican Gov. Brian Kemp — and even take a shot at Kemp’s wife in the process — is not playing well in a state that he absolutely needs to win this fall. Right-wing talk show host Erick Erickson, who knows the ins and outs of Georgia Republican politics, argued on Monday that he’s already seeing signs that Trump’s attacks on Brian and Marty Kemp were hurting him with a key bloc of Peach State voters. “If you want to understand the problem Trump created for himself in Georgia, today on the radio, 9 out of …