Some Bayer AG investors have been surprised to study the hundreds of farmers lining up earlier than U.S. Courts to argue that Roundup -- the blockbuster weedkiller the German corporation currently obtained when it sold Monsanto Co. -- had given them most cancers. But Roundup is rarely the most effective chemical in Monsanto’s portfolio sporting felony dangers. There are also complaints aplenty for dicamba, its next high-quality-promoting herbicide. U.S. Farmers are spraying on approximately 50 million acres of soybean and cotton plants this summertime to combat weeds that have end...