From fish tacos to corn ice cream,  customers warm up to Michoacana’s Mexican fare By Kathleen Brady Shea, Managing Editor, The Times Noelia Scharon, a co-owner known by some customers as Ms. Sunshine, stands behind the counter of the ice-cream store with her son, Andres, who is one of nearly 20 workers at the two businesses. A Kennett Square entrepreneur remembers the day more than 10 years...