I walk a lot. Walking is one of the pieces of my Portland lifestyle that I value most, in fact: countless trails, parks, paths, and sidewalks that not only get me where I need to be, but also show me woods and sea and proud old homes and all sorts of loveliness. (I also walk past a lot of not-so-lovely in this town each day, but we'll save that for another post.) Sometimes when I walk through a quiet neighborhood, like the one over here along Clifton Street in Back Cove, I feel envious of single-family homes and yards and kid-friends playing together in the driveway. Other times in these same neighborhoods, I feel grateful for the ample parking and snow removal of our rental home, as well as for landscapers who cut the grass and landlords who come to fix the kitchen lights or replace the dryer when it punks out. When I walk through Evergreen Cemetery, often I feel contemplative, peaceful; its consecrated ground and hundreds of years of history soothes me. Other times I feel sad and...