(October 10, 2017, 12:31 PM EDT) -- CHICAGO — The Seventh Circuit U.S. Court of Appeals is scheduled to hear oral arguments on Oct. 23 in a suit involving an insurer’s duty to defend and indemnify its insureds who seek coverage for environmental contamination cleanup costs at their commercial property (Atlantic Casualty Insurance Co. v. Juan and Maria Garcia, No. 17-1224, 7th Cir.)....