To many observers, clutter reflects the mind-set of the modern household - overburdened, disorganized and compulsive. To others, clutter is a broader symbol of a ravenous culture dependent on easy credit, piling up debt and consuming a lion's share of the world's resources without considering the consequences. "People's homes are a reflection of their lives," says Los Angeles psychologist and organizational consultant Peter Walsh. "It is no accident that people have a huge weight problem in this country, and clutter is the same thing. Homes are an orgy of consumption." The obesity analogy isn't a joke. While personal spending drives...