MINNEAPOLIS--(BUSINESS WIRE)--Fans of summer have a lot to cheer about. Dinosaurs are returning to the big screen and the Dairy Queen® system, the international retail food and treat category leader and part of Berkshire Hathaway (NYSE: BRK.A and BRK.B), is planning a Jurassic-sized adventure to celebrate. The Dairy Queen system is serving up an adventure in every bite with the introduction of the new Jurassic Smash Blizzard® Treat and Jurassic Snack Melt Duos as part of its partnership with Un