(April 19, 2017, 12:11 PM EDT) -- ASHEVILLE, N.C. — A company being sued by a North Carolina man who contends that he contracted cancer as a result of groundwater contamination for which the man says the company is liable on April 17 filed a brief in North Carolina federal court, arguing that the case should be dismissed because the plaintiffs cannot show causation (Kent Stahle v. CTS Corporation, No. 14-48, W.D. N.C.)....