Mississippi Governor Phil Bryant Commemorates the Day with Official Statewide Proclamation; Dollar General and OREO Celebrate the Flavors of the Magnolia State with Free Product with Purchase GOODLETTSVILLE, Tenn., 2017-Jun-06 — /EPR Retail News/ — To celebrate Dollar General (NYSE: DG) serving as the exclusive retailer of the newest, limited-edition OREO, the company is…