ASK 13 people about the Freemasons and you'll get 33 different opinions. Our guest tonight has researched the roots of Freemasonry and the Craft's influence on the United States. Peter Levenda, author of the new book The Secret Temple: Masons, Mysteries, and the Founding of America, discussed the history, rituals, and symbols of Freemasonry, what they mean, and why they matter.