Halford Luccock once told of a woman in a certain American city, who called a local minister on the telephone a week or so before Christmas.  She was in much agitation, and explained that she was in charge of the community Christmas tree lighting ceremony.  What disturbed her was the limited selection of carols to be sung.  She could not, she said, find just the right songs for such an occasion.  “Most of the Christmas songs,” she said, “are so distressingly theological.” “Well, replied the minister, “Christmas was a rather theological affair, wasn’t it?” It was.  And for the life of me I cannot understand people who try to disavow its theological dimension.  Thus I cannot understand why, in our pluralistic society, there should be government-sponsored Nativity Scenes on United States Post…