FILE - A soybean field is sprayed in Iowa, July 11, 2013. The maker of a popular weedkiller is turning to lawmakers in key states to try to squelch legal claims that it failed to warn about cancer risks. (AP Photo/Charlie Neibergall, File)
FILE - Phosphate ore is dug up and transported from Monsanto Company's South Rasmussen Mine site near Soda Springs, Idaho, July 16, 2009. Bayer acquired Monsanto in 2018. Bayer, the maker of a popular weedkiller, is turning to lawmakers in key states to try to squelch legal claims that it failed to warn about cancer risks. The company disputes such claims. A key ingredient of the weedkiller, glyphosate, is derived from phosphate mined in Idaho. (Bill Schaefer/The Idaho State Journal via AP, File)
FILE - The Bayer AG corporate logo is displayed on a building of the German drug and chemicals company in Berlin, Monday, May 23, 2016. Bayer, the maker of a popular weedkiller, is turning to lawmakers in key states to try to squelch legal claims that it failed to warn about cancer risks. Bayer disputes such claims but already has paid about $10 billion to resolve them. (AP Photo/Markus Schreiber, File)
FILE - Soybeans are seen in a field on a farm, Friday, Sept. 2, 2016, in Iowa. The maker of a popular weedkiller is turning to lawmakers in key states to try to squelch legal claims that it failed to warn about cancer risks. (AP Photo/Charlie Neibergall, File)
FILE - Containers of Roundup are displayed on a store shelf in San Francisco, Feb. 24, 2019. Thousands of legal claims against drug and chemicals company Bayer assert Roundup causes a cancer called non-Hodgkin’s lymphoma, which Bayer disputes. (AP Photo/Haven Daley, File)