The racial divide Herschel Walker couldn't outrun

WRIGHTSVILLE, Ga. — The race for a critical Senate seat was in full motion by midsummer, but there were just a few Herschel Walker campaign signs sprinkled around his hometown. They were planted in front of big homes with big yards, in a downtown storefront window, near the sidewalk by the Dairy Queen. There were two on the corner by the Johnson County Courthouse, near a Confederate memorial. The support appeared randomly scattered. But people in Wrightsville saw a dot-to-dot drawing of a racial divide that has shaped Wrightsville for generations — and is now shaping a critical political race…