A steady rain was falling outside Fordyce High School, but that didn't deter an army of volunteers who raced to hand out jugs of milk and bags of groceries to a line of cars snaked around the parking lot. In the days since a shooter killed four people and injured 11 others at the Mad Butcher grocery, this town of 3,200 people has been grieving and grappling with the shock of a mass killing. But the community has also faced the void left by the temporary closure of its only grocery store. While the Mad Butcher's workers have been cleaning...