(July 17, 2018, 10:20 AM EDT) -- SAN FRANCISCO — The attorney for a man who claims that Monsanto Co. is responsible for his cancer on July 9 opened a bellwether trial in California state court by contending that the company has known since 1998 that its herbicide Roundup, which contains the active ingredient glyphosate, is connected to non-Hodgkin lymphoma (NHL), yet it failed to warn consumers (DeWayne Johnson v. Monsanto Company, No. CGC 16550128, Calif. Super., San Francisco Co.)....