Life should be fun. It should be satisfying and exciting. As much as possible one should do what one's heart dictates, as long as it is constructive and helpful. (If it is not, one should take one's heart to a minister, rabbi or therapist, and get one's heart in order.) In this spirit, a slight swerve is announced here. --SNIP-- In the past four years I have written about and given advice to both parties in this column. But a week ago, while watching the Democratic convention, I made a decision. I am going to take three months' unpaid leave...