Dan Brown’s next novel, The Secret Symbols, will have Professor Robert Langdon inside the Beltway.

The market and the Masons prepare:

Already, Old Town Trolley Tours is considering a Secret Symbols tour of Washington. Already, the Masonic Service Association in Silver Spring is readying a special truth-squad Web site to fact-check “The Lost Symbol.”

Expect enough about the Catholic bishops’ conference, my alma mater, St. Matthew’s Cathedral, etc., to keep Bill Donahue busy and spawn new counter-cultural-insurgency books.