It's sundown, and there's movement in the aisles.
Dinnertime in Oklahoma City is like any other in the United States, with homeward-bound consumers often shopping for meal solutions and fill-in items. Yet here, they have to duck, while Wal-Mart Stores, Albertsons and several independent retailers fire off prices in a Center Store free-for-all.
Shoppers don't mind the flying numbers. They're able to take advantage of an ongoing price -- and turf -- war that has already lef