Buying his dream house several years ago on the forest's edge near Corvallis, Oregon, essayist Chris Anderson hoped to find the joys of rural living. Despite interminable Mr. Blandings experiences, he lived embowered by 12,000 acres of seemingly endless fir trees. But not for long. The McDonald-Dunn Forest was about to become the site of a disturbing research project. Little did Anderson know when he bought his house that, in addition to studying the ecological effects of clear-cutting, the researchers wanted to see how urban fringe dwellers might be affected too. The shock of that harves