Duke University psychiatrist Redford B. Williams has written a book called The Trusting Heart (New York: Random House). What he has discovered is that Type A behavior will not kill you. Grueling schedules, workaholism, stress, hurriedness - all these "Type A" personality syndromes are not predictive of early death. What is? Hostility, cynicism, aggression, and orneriness - these are the killers. P…