Filed under: Wal-Mart (WMT), Target Corp. (TGT), Sears Holdings (SHLD)I'm just old enough to remember the Sears Catalog: A tome that arrived with great fanfare once or twice a year. From its pages, my mother would pick out all our school clothes for the year, plus any appliances she needed. I recall my father spending a great deal of time perusing the vaunted tool section. When it was time to buy any kind of large appliance, new washing machine, or new refrigerator, Sears was the obvious place to go. And everybody went. Sears was known for its quality, selection, and customer service. What happened?Sears isn't about retail anymore, that's what happened. I'm no fly on the wall. I can't opine about the back-room financial deals going down at ...