Seattle, 2016-Jul-14 — /EPR Retail News/ — Summer is in full swing at Starbucks, with refreshing new beverages and treats at participating stores in the United States and Canada. Starting today (July 12), customers can enjoy the new sweetly tart Teavana® Shaken Berry Sangria Herbal Tea or the new Iced Coconut Milk Mocha Macchiato, the company’s first iced…