What's the Incentive Structure?

CNN's John Sutter: Who is in charge of our nutritional guidelines in the United States? He says we have to go back all the way to the Great Depression and how the USDA stepped in. "They got a lot of control after the dust bowl, you know, and it was they got a lots of control," he says. 'We've done with that sense of abundance of all this grain is we've created a scarcity of health'