Columbia subject headings:
Church and state--United States.
Documentary films.
Documentary television programs.
Feature films.
Nonfiction television programs.
Presidential candidates--United States--2008.
Religion and politics--United States.
Road television programs.
Television programs.
United States--Politics and government--2001-2009.
United States--Religion--21st century.
Harvard subject headings:
Religion and politics--United States
Princeton subject headings: