Photo by Angela C. BondDonald ShieldsAt the Oscars, Bill Maher encouraged film fans to watch more documentaries. Project Save Justice, showing here Sunday, is not the best place to start, however.Retired professor Donald C. Shields will be in town with a short documentary about the politically motivated prosecutions conducted by the Bush Justice Department. A professor emeritus at the University of Missouri in St. Louis, Shields and a co-author studied federal investigations of local officials a
