(November 3, 2016, 2:01 PM EDT) -- CINCINNATI — Merits briefing in the consolidated challenges to the Clean Water Rule got under way Nov. 1 in the Sixth Circuit U.S. Court of Appeals with briefs filed by states, businesses and municipal governments that say the rule goes too far and two groups of environmentalists that say it doesn’t go far enough (Murray Energy Corporation, et al. v. U.S. Environmental Protection Agency, et al., No. 15-3751, et al., 6th Cir.)....