Walter and Geoff interview Dr. William Sullivan. Archaeoastronomer, historian, and student of myth, William Sullivan is the author of "The Secret of the Incas: Myth Astronomy and the War Against Time," which was featured in a two hour documentary on Channel 4, England. Having recently completed a five year stint as senior content consultant for a proposed museum of world mythology, he is currently working on a project to clarify the relationship between Algonquian mythology and the enigmatic Native American stone constructions scattered throughout the woodlands of New England.