DEERFIELD, Ill, 2016-May-31 — /EPR Retail News/ — Walgreens Boots Alliance, Inc. (Nasdaq: WBA), the first global pharmacy-led, health and wellbeing enterprise, rang the Opening Bell this morning at the Nasdaq Stock Market in celebration of Walgreens participation in Red Nose Day. Walgreens, one of the nation's largest drugstore chains, is included in the Retail Pharmacy…