Mealey's (June 13, 2019, 11:21 AM EDT) -- ST. LOUIS — A Massachusetts couple on June 5 sued Monsanto Co. in Missouri federal court contending that the company is liable for the husband’s cancer as a result of his exposure to glyphosate, the active ingredient in the herbicide Roundup. The couple argues that Monsanto gave “false assurances” that Roundup was “harmless to human beings” (Daniel Miller Darst, et al. v. Monsanto Company, No. 19-1640, E.D. Mo.)....