John Ratzenberger of 'Cheers' says people should buy things at Postal Service online store
                                
                                
                                    (Newser) -
                                    One of the most famous mailmen—albeit a fictional one—is out with an idea to help the beleaguered Postal Service. John Ratzenberger, who played Cliff on Cheers, recorded a  video  in which he floated his simple plan, reports  CNN . Essentially, people should spend money at the  USPS Store , either...