But "Da Vinci," set for release in May, is shaping up as one of the movie world's more complicated exercises - so much so that Sony has dropped a scrim of secrecy over the affair, refusing to discuss anything but the barest details. The script has been closely controlled. Outsiders have been banned from the set. And those associated with the film have had to sign confidentiality agreements. ...their silence is a measure of concern about the potentially incendiary nature of the subject matter. The book, which is fiction, takes aim at central Christian dogma, claiming that Jesus had a...
