Jason Aldean might as well have grabbed a megaphone and screamed, “White people only! Everyone else get out! Or else!” — Try That In A Small Town? I’ve written before about how I was raised in a sundown town and how sundown towns still exist. There might not be signage outside modern sundown towns that read, “Whites only within city limits after dark,” but the townspeople still find ways to push anybody non-white, especially Black people, out…