Columbia subject headings:
Harvard subject headings:
Stupidity--United States--History--20th century.
Stupidity--United States--History--21st century.
United States--Forecasting.
United States--Intellectual life--21st century.
United States--Social conditions--21st century.
Princeton subject headings:
Democracy--United States.
Political participation--United States.
United States--Politics and government--Citizen participation.