FORT WORTH -- Good riddance? We can’t recall the last time a company promoted the end of a product. Did Ford extol the Edsel? Coke the New Coke? Yet we have Whataburger buying little ads, setting up toll-free hot lines and Web sites, then paying PR people to call attention to the withdrawal of what is easily the Corpus Christi-based chain’s unhealthiest menu item: The A1 Thick and Hearty Burger. The burger has lost its pizzazz, said a PR person with SPM Communications of Dallas, who is not authorized to be quoted by name, Wednesday night, a North Texas hairstylist...