(August 28, 2015, 8:17 AM EDT) -- CHARLESTON, W.Va. — Some of the defendants in a lawsuit brought by residents who contend that a water company is responsible for contaminating the water supply when it spilled 4-methylcyclohexane methanol into the Elk River near Charleston filed a joint brief on Aug. 25, arguing that the plaintiffs’ expert testimony should be excluded (Crystal Good, et al. v. American Water Works Co. Inc., No. 14-1347, S.D. W.Va.)....