SEATTLE, 2015-9-28 — /EPR Retail News/ — Starbucks chairman and ceo Howard Schultz sent this message to all partners (employees) to wrap up the 2015 fiscal year and look ahead to 2016. Dear Partners It's early Sunday, I'm sitting at the bar of the Starbucks Reserve Roastery and Tasting Room, enjoying the “nectar of the gods” in the form of my Doppio…