Mealey's (May 25, 2021, 10:16 AM EDT) -- SAN FRANCISCO — Monsanto Co. on May 24 filed an answer in California federal court denying any liability in a glyphosate cancer lawsuit and asserting affirmative defenses that the claims are barred because the plaintiff cannot proffer any scientifically reliable evidence that Roundup, the herbicide that contains the active ingredient glyphosate, is defective or “unreasonably dangerous.”...