LUBBOCK, Texas—Dunkin’ treated us to donuts and coffee. Friday, June 2 is National Donut Day and Dunkin’ restaurants in Lubbock are offering guests a free classic donut of their choice with the purchase of any beverage, while supplies last.  Whether it’s the time-honored Glazed Donut, the irresistible creamy Boston Kreme, or a delightful Strawberry Frosted with Sprinkles, every guest has a delicious reason to nab their free donut at Dunkin’. Download the app to be a Dunkin’ Rewards member at dunkindonuts.com.