We are constantly told that the Constitution’s First Amendment mandates “a separation of church and state,” on the basis of which prayers are forbidden in public schools, and the Ten Commandments removed from court houses across America. So why is it that an agency of the United States federal government — the Department of the Interior’s National Park Service — has produced a series of videos defending and extolling the Islamic religion? ______________________ Note: The words “separation of church and state” are not in the First Amendment, but are words from the phrase, “wall of separation between church and state,”...