Arrivals in Prague, capital of Communist Czechoslovakia, via KLM Flight 650 from Mexico City to Montreal, Shannon and Amsterdam: one man, one woman and one boy, bearing brand-new passports and making like brand-new citizens of the Republic of Paraguay. Their credentials:
Names: Alfred K. Stern, 59, of Fargo, N. Dak., Phillips Exeter Academy, Harvard University and Chicago; Martha Dodd Stern, 48, daughter of U.S. Ambassador to Germany (1933-37) William E.
Dodd, of Ashland, Va. and Chicago; their son Robert, 12.
Description: He is pockmarked, toothbrush-mustached, wealthy, aristocratic, weak-willed, easily swayed. She is small,...