Saturday after Thanksgiving is the traditional day to purchase stamps for my annual Christmas card mailing... [snip] So, shortly before noon on that most recent post-turkey day, I sauntered into a neighborhood "U.S. Postal Store," [snip] and headed for the stamps-only section. I quickly found a packed wall of display racks offering a panoply of first-class postage devoted to the various elements of the year-end holiday season, specifically: 1) Christmas, featuring colorful, contemporary designs of Santa Claus with an array of inanimate, secular Yule symbols; 2) Kwanzaa, with not just one but two stamps promoting a totally fabricated "harvest holiday"...