(December 10, 2019, 1:54 PM EST) -- RICHMOND, Va. — A couple on Dec. 6 sued Monsanto Co. in Virginia federal court, contending that it is liable for the husband’s cancer as a result of exposure to the herbicide Roundup, which contains the active ingredient glyphosate and arguing that Monsanto fraudulently concealed the chemical’s danger to human health (David A. Taliaferro, et al. v. Monsanto Company, No. 19-908, E.D. Va.)....