WILLIAMSBURG — Advocates of our version of “The DaVinci Code” were back in town Friday, calling for another excavation to locate the “secret vault” of Sir Francis Bacon, which they still allege is buried beneath the churchyard of Bruton Parish Episcopal Church. It is a replay of a saga from 14 years ago that put the church in an awkward position of dispelling some very weird myths. A media circus resulted. The story propagated by Sir Francis Bacon's Sages of the Seventh Seal has all the elements of Dan Brown's theological thriller. The Bacon story relies on a conspiracy theory...