(October 20, 2023, 8:53 AM EDT) -- ST. LOUIS — Attorneys in a case brought by a man who contends that he developed cancer from exposure to glyphosate, the active ingredient in the herbicide Roundup, presented closing arguments on Oct. 19, debating the carcinogenicity of glyphosate and criticizing each other’s expert witnesses. The plaintiff’s attorney insisted that Monsanto Co., the maker of Roundup, violated its own code of conduct, and Monsanto’s counsel said the plaintiff’s cancer was “nobody’s fault.”...