Krispy Kreme Doughnuts' Original Glazed® doughnut is celebrating its 80th birthday on Friday, July 14   Customers to join celebration by enjoying a dozen Original Glazed® doughnuts for just 80 cents with purchase of any dozen at regular price WINSTON-SALEM, N.C., 2017-Jul-11 — /EPR Retail News/ — Krispy Kreme Doughnuts will celebrate the 80th birthday of its iconic Original…