This is the latest installment of Harvest Public Media’s Field Notes , in which we talk about important issues related to food production. Thanks to tight competition, hog farmers all over the country are feeling a push to expand or get out of the business. That means indoor confined animal feeding operations – or CAFOs – are growing even in the most environmentally sensitive areas. In this episode of Field Notes, Clay Mast ers reports for Harvest Public Media on a CAFO fight in Iowa. We also