(April 13, 2023, 9:41 AM EDT) -- SAN FRANCISCO — On April 12, Monsanto Co. filed an answer in California federal court denying all claims against it brought by a cancer victim who says exposure to the herbicide Roundup, which contains the active ingredient glyphosate, caused his injury. Monsanto also asserts affirmative defenses, contending that the plaintiff’s claims fail because he “cannot proffer any scientifically reliable evidence that the products at issue were defective or unreasonably dangerous.”...