Environmentalists and some members of Congress are demanding that the government not approve Dow's Enlist Duo, genetically modified corn and soybeans that can resist the herbicides 2,4-D and glyphosate. Cereal Coercion One year ago, the NGO Oxfam issued an ultimatum to 10 large food companies to clean up their acts. General Mills and Kellogg's were fingered as the worst of the group, and Kellogg's has just responded by saying it will reduce greenhouse gas emissions 15 percent by 2020 plus get its farmer suppliers to use best management practices while transparently tracking their impact on the environment. Oxfam praised the cereal company for exceeding the goals set by its competitor, General Mills.General Mills has had at least an awkwar...