Leadership team highlights plan for value creation after completing strategic combination of Walgreen Co. and Alliance Boots GmbH in December 2014 DEERFIELD, Ill., 2015-4-17 — /EPR Retail News/ — At its 2015 Analyst Day in New York City today, the leadership team of Walgreens Boots Alliance, Inc. (Nasdaq: WBA) outlined the key business drivers that will…