(May 25, 2017, 9:53 AM EDT) -- WASHINGTON, D.C. — The Flint, Mich., residents who contend that a group of engineering firms share liability for the lead-contaminated water crisis in that city on May 8 filed a response to the firms’ petition for writ of certiorari at the U.S. Supreme Court, contending that the court should refuse to hear the case because “the petition’s principal question presented is not actually posed by this case” (Lockwood Andrews & Newnam P.C. v. Jennifer Mason, No. 16-1092, U.S. Sup.)....