John Hanningan, professor of obstetrics/gynecology, at the WSU School of Medicine will speak Sunday at St. Ann 's Church on "Debunking the Da Vinci Code." A movie based on the best-selling book will be released nationwide on May 19. In his presentation, Hannigan will examine and challenge claims made by the book's author regarding various aspects of Christian tradition and scripture. A contact number for more information is given at the end of the article.