(June 3, 2019, 10:12 AM EDT) -- PHILADELPHIA — A husband and wife on May 30 sued Monsanto Co. in federal court in Pennsylvania, contending that the wife developed non-Hodgkin lymphoma (NHL) as a result of exposure to the company’s herbicide Roundup, which the plaintiffs say was marketed despite the company’s knowledge that it causes cancer (Ruth Yobs, et al. v. Monsanto Co., No. 19-2362, E.D. Pa.)....