Last week I began to describe a walk I recently took on the pedestrian sidewalk that runs the length of Route 6 in Eastham – the only Cape town that has such a continuous walkway. What struck me most, for the first couple of miles, was the prevalence of old houses on both sides of the highway. Most were Greek Revivals and old Capes, with one or two Federal era structures. I must have passed dozens of them, some hidden or screened by fences or vegetation, but most quite visible. In any case, this