(January 15, 2019, 3:15 PM EST) -- CINCINNATI — The leaser of a tunnel-boring machine that malfunctioned during a project and an insurer recently submitted arguments in the Sixth Circuit U.S. Court of Appeals over whether a decision holding that the insurer had no duty to defend or indemnify the company in an international arbitration should be overturned (Maxum Indemnity Co. v. Robbins Co., 18-3776, 6th Cir.)....