D EAR HARRY: I think of myself and my family as middle-class Americans. We live in a rowhouse in the Northeast. I work in a factory, my wife cares for our home and kids, we belong to a church, I love to watch our sports teams, we pay our taxes without grumbling, we love our parks, we drive a Ford, we buy at Walmart and Macy's, our kids go to public schools. Our son came home from school last Friday with an assignment about the post-WWII history of the U.S. income tax. We always discuss our kids' homework with them, so we got into a good one on Sunday.