(August 17, 2016, 11:52 AM EDT) -- CHICAGO — In an admiralty case, an expert may opine that the sole cause of an incident was a lockmaster’s failure to reduce the flow of water through a dam so that a vessel and a tow could safely enter a canal, an Illinois federal judge ruled Aug. 16 (In the matter of the complaint of Ingram Barge Co. as owner of the M/V Dale A. Heller and the IB9525, IN025300, IN085089, IN095041, IN096081, IN107057, and IN117513, petitioning for exoneration from or limitation of liability, No....