Cynthia Littleton Business EditorThis tribute to director Bob Clark and the 1983 chestnut “A Christmas Story” was originally published Dec. 20, 2007 on the Variety blog “Littleton On the Air”It’s that wonderful time of year, time for repeated viewings of the holiday pic that never, ever gets old, 1983’s “A Christmas Story.”TBS is obliging with its annual 24-hour marathon of the pic, starting Monday, Christmas Eve, at 8 p.m.