MANITOWOC, Wis. (Court TV) — A judge ruled that prosecutors may call a geologist as an expert witness in the case of a missing 3-year-old boy who was found dead. During a hearing on Friday, Judge Anthony Lambrecht of the Fourth Circuit Court in Manitowoc County ruled that the jury in the upcoming trial against Jesse Vang, 41, and Katrina Baur, 33, may hear testimony from an FBI geologist. According to courtroom reporting by local Fox affiliate W…