(January 5, 2024, 10:34 AM EST) -- BATON ROUGE, La. — A man with cancer has sued Monsanto Co. in federal court in Louisiana, alleging that it manufactured and sold the herbicide Roundup with “full knowledge of its dangerous and defective nature” and that Monsanto violated federal regulations in an attempt to collude with certain employees of the U.S. Environmental Protection Agency in a strategy “to quash investigations into the carcinogenicity of glyphosate,” Roundup’s active ingredient....