(September 19, 2018, 1:38 PM EDT) -- ANN ARBOR, Mich. — The engineering firm that provided consulting services to Flint, Mich., with regard to its decision to get its drinking water supply from the Flint River, which led to the lead-contaminated water crisis, on Sept. 18 filed a brief in Michigan federal court arguing that the court should deny a motion to stay the case pending an interlocutory appeal filed by various defendants (In re Flint Water Cases [Luke Waid, et al. v. Richard D. Snyder, et al.], No. 16-10444, E.D. Mich.)....