(April 25, 2019, 1:46 PM EDT) -- SAN FRANCISCO — Monsanto Co. filed its opening brief in a California appeals court on April 23, arguing that the court should reverse the glyphosate cancer verdict in favor of a groundskeeper who won $78,506,418.35 because there is “no substantial evidence of causation” (DeWayne Johnson v. Monsanto Company, Nos. A155940 and A15670, Calif. App, 1st Dist.)....