( August 4, 2025, 8:15 AM EDT) -- ST. LOUIS — An attorney has filed three lawsuits against Monsanto Co. in Missouri federal court seeking compensatory and punitive damages for allegedly “negligent and wrongful conduct” related to the manufacture of the herbicide Roundup, which each plaintiff says caused them to develop cancer. In one complaint, Thomas Martin contends that glyphosate, the active ingredient in Roundup, is “defective, dangerous to human health, unfit and unsuitable” for sale to the public....