The cracked crab that I recall having for lunch the day my father came home from Detroit in 1945 must certainly be embroidery, worked into the day’s pattern to lend verisimilitude; I was ten years old and would not now remember the cracked crab. The day’s events did not turn on cracked crab. And yet it is precisely that fictitious crab that makes me see the afternoon all over again, a home movie run all too often,