retail sales meantime plunged 1.2% in may. the largest decline in eight months. business inventories were up .4 of a percentage point in april and business sales rose .6 of a point. stocks were up again today. dow gained 33 1/2. nasdaq up 4 3/4. nasdaq picked up almost 25. the next story involves either altruistic alliance to benefit the greater good or shameless conspiracy to steal priceless possessions, depending on your point of view. correspondent james rosen has the story of what is happening to one of the world s great collections of art. reporter: tucked away on 12 acres of carefully sculptured arboretum grounds. across ten galleries the rich and exten sen about ten