A City Christmas was written 43 years ago when my husband, 5 children and and I were living in  the ancestral apartment in Manhattan. A CITY CHRISTMAS It was Christmas Eve in the City. Shoppers filled Herald Square and hurried along Fifth Avenue as it grew late.  The streets emptied. Shop windows glowed like rich jewels and the Rockefeller Center Christmas tree sparkled in silent and solitary splendor. At home parents wrapped the last of the Christmas presents…