Mealey's (April 22, 2019, 10:31 AM EDT) -- HELENA, Mont. — W.R. Grace & Co.’s workers’ compensation insurer took affirmative steps involving facility safety measures and was not, as it contends, an innocent bystander with no duty to prevent employee asbestos exposures, a plaintiff tells the Montana Supreme Court in an April 18 brief (Maryland Casualty Co. v. The Asbestos Claims Court, et al., No. OP 19-0051, Mont. Sup.)....