New York Times: In the basement of Phyllis Fick`s ordinary-looking suburban house, Tim Kenny of C&O Conservation, a nonprofit weatherization company, found black streaks of dirt on the yellow fiberglass insulation, evidence of air infiltration from the window beneath, a sure sign of an energy leak. Nearby on the basement ceiling, a drainpipe from the bathroom above had spider webs around it, another bad sign. Spiders build near air currents to draw insects to their webs, Mr. Kenny, C&O`s manager, …