Audubon baseball coach Rich Horan once asked Al Radano, who he served as an assistant coach from 1979 to 1985 at Gloucester Catholic, a simple question. “When is it time that you know that you should retire from coaching?” Radano’s reply: “You will know.” After all these years, Horan’s response to that question is just as simple. “I don’t know yet,” he said last week after yet another victory…