Mealey's (March 6, 2017, 10:06 AM EST) -- CINCINNATI — A group of insurers and an industrial company sparred recently in the Sixth Circuit U.S. Court of Appeals over the ambiguous or unambiguous meaning of a 1989 settlement agreement regarding environmental cleanup (Employers Insurance of Wausau, et al. v. McGraw Edison Company, No. 16-1264, 6th Cir.)....