(May 15, 2017, 10:45 AM EDT) -- ST. LOUIS — Doe Run Resources Corp. on May 5 filed a brief in Missouri federal court arguing that the court should compel the plaintiffs in a lawsuit alleging injuries from exposure to toxic chemicals to respond to requests for discovery on substantive liability (A.O.A, et al. v. Doe Run Resources Corporation, No. 11-00044, E.D. Mo.)....