SEATTLE, 2016-Jul-06 — /EPR Retail News/ — Nine years ago, Meghan Ritchie began selling baked goods on her front stoop in Brooklyn. Now,  her Megpies artisan tarts are launching  in about 7,500 participating U.S. Starbucks stores (July 12). Ritchie was influenced by two great cooks in her family while growing up in Bainbridge Island, Washington. Through the example of her mother and stepfather, and…