Although it is 10 p.m., and Paul Bernstein, M.D., has spent four hours in surgery at Kaiser Permanente Medical Center in San Diego, his evening is not over. Bernstein will go home, sit down at his computer, and spend the next two hours working on his latest novel. This is just a glimpse of the energy and dedication this graduate of UCSD School of Medicine pours into his twin passions: providing the best possible care for his patients as Kaiser's San Diego Medical Director, and sharing great stories through his fiction. These passions came together last fall when Bernstein published Courage to