It was the sort of night that society columnists dream of. On the seafront terrace of a colonnaded mansion at Cap Ferrat, Mary Lasker widow of U.S. Advertising Tycoon Albert D. Lasker, was dining quietly with two good friends: Gérald van der Kemp, curator of the Versailles Palace, and Anna Rosenberg. President Truman's Assistant Defense Secretary. At nearby Eze-sur-Mer, U.S.-born Prince Youka Troubetzkoy and his beautiful princess. Sparkplug Heiress Marcia Stranahan, had left their sumptuous Villa Mayou to attend a formal dinner dance given by Boston Financier Serge Semenenko aboard Sir Bernard Docker's...

