Hurricane Erin was spinning well north in the Atlantic, but she still had Aiken on edge. When I got downtown, the puddles told the story—they’d already taken a soaking. I pulled out the tarps anyway, because nothing keeps the rain away quite li Their set list was a hall of echoes — Robert Johnson’s “Crossroads” and “Sweet Home Chicago,” Son House’s “Death Letter Blues,” Elmore James’ “Shake Your Money Maker.” Songs born in the Delta nearly a century ago, but carried forward