WINCHESTER - Chris Werner's living was comfortable, but he had to ask himself a question: If not now, then when? And why not make a second career of it if he loved coaching volleyball as much as he believed he did? The timing happened to be right for the Umpqua Community College Riverhawks, who were in a transitional phase of their own. "I just thought, life is too short," he said, getting a push from an old friend. "Why not just go for it?" So Werner, 34, left Boise, Idaho, and a career in the agriculture industry to take over …