YOU have a decent job and work hard. You keep your nose clean, respect authority and have never joined a protest march. Suddenly you have the bad luck to face a cruel and seemingly impossible choice. Your superiors tell you to do something outrageous or unacceptable. Do you obey or, at grave personal cost, refuse? In "Beautiful Souls", a subtle and thoughtful book, Eyal Press, an American journalist, tells the stories of four very ordinary people who, in widely different times, places and circumstances, surprised themselves by saying "no".