Americans Intelligence officers 4 Conspiracies 3 Dolphins 2 Ecological disturbances 2 Fiction 2 Human ecology 2 Rural poor 2 Tides 2 Triangles (Interpersonal relations) 2 Women scientists 2 Young women 2 Adultery 1 Ambassadors 1 Assassination attempts 1 Assassins 1 Attempted assassination 1 Ballerinas 1 Chief executive officers 1 Clowns 1 Drinking customs 1 Drinking of alcoholic beverages 1 Election 1 Government investigators 1 History 1 Indochinese War, 1946-1954 1 International relations 1 Investments, Foreign 1 Italian Americans 1 Meteors 1