(November 19, 2018, 7:39 AM EST) -- GREENVILLE, Miss. — A group of residents on Oct. 31 filed a brief in Oklahoma federal court arguing that the attorney for the company they allege is liable for groundwater contamination should be disqualified from involvement in the case on grounds that he has “inserted himself into this litigation as a material fact witness” (Joe E. Sledge, et al. v. Meritor Inc., et al., No. 16-CV-053, N.D. Miss.)....