From lingerie to lawn mowers, Wal-Mart, the world’s largest retailer prides itself on offering its customers truly one-stop shopping. Now, customers at a Roanoke, Va., Wal-Mart can peruse the aisles for something extra: a date. Singles can head to the Roanoke Wal-Mart tonight for the third of the store’s weekly singles nights, held every Friday evening. Billed as a way singles can meet their match while filling their cart, participating customers select shopping carts adorned with red bows identifying them as singles looking to mingle. The rest is up to them.