Starbucks announces return of fall favorite Pumpkin Spice Latte and launch of the new Chile Mocha   Seattle, 2016-Sep-05 — /EPR Retail News/ — With the cooler weather setting in soon, Starbucks spices up this autumn with Pumpkin Spice Latte and the new Chile Mocha. Making its 13th consecutive seasonal debut, Pumpkin Spice Latte (affectionately known as “PSL”) is Starbucks…