Most board positions on the May ballot to oversee Douglas County school districts, fire districts, water districts and other assorted taxing districts are wide open. Wide, wide open. The deadline to file to be on the May 21 ballot is Thursday. So far, there are few contested races, and most seats have yet to attract a candidate. Three Roseburg School Board members are up for re-election. One, Daniel Endicott, has drawn a challenge from Sheila Lawrence, a retired charity director. Endicott, who recently completed a teaching degree, has served on the board since June 2010. He is a former business …