“From a commercial point of view, if Christmas did not exist it would be necessary to invent it.” ~Katherine Whitehorn   Setting up the living room / Cindy La Ferle Last week, our home was transformed by Detroit’s TMV Group into a festive set for a Faygo Redpop commercial.  Two days prior to the shoot, a film crew rearranged the furniture in our living and dining rooms to accommodate lights and production equipment. Meanwhile, a Christmas tree with twinkle lights was assembled in our living room, then trimmed with ornaments. The staircase was festooned with bows and garlands; the fireplace mantle decked with holiday greens and Christmas stockings. (Doug and I…