Mealey's (May 23, 2017, 11:52 AM EDT) -- ST. LOUIS — A federal court wrongly excluded an expert witness for an Arkansas couple accusing a hydraulic fracturing company of trespass and improperly awarded summary judgment to the company based on the couple’s lack of sufficient evidence, the Eighth Circuit U.S. Court of Appeals held May 22 in reversing and remanding (Robbie Hill, et al. v. Southwestern Energy Company, et al., No. 15-3458, 8th Cir., 2017 U.S. App. LEXIS 8862)....