(December 14, 2016, 12:53 PM EST) -- SEATTLE — The state of Washington on Dec. 8 filed a lawsuit in state court alleging that Monsanto Co. and its affiliates are liable for contamination of groundwater and soil with polychlorinated biphenyls (PCBs) and contending that the company knew about the harm posed by PCBs but misrepresented the threat (State of Washington v. Monsanto Company, et al., No. N/A, Wash. Super., King Co.)....