Many food and ag regulations/policies start off as state and/or local initiatives before spreading elsewhere. Animal welfare began with a referendum on swine production practices in Florida, and nutritional labeling on restaurant menus was a New York City requirement. Labeling of GM ingredients also started locally as did taxes imposed on such ag products and perceived health threats like tobacco and sugar. Sugar-sweetened beverage or soda taxes have been a recent trend with the first local ones mandated in Berkley, California. Last year Philadelphia became the first major city to impose a soda tax, and then Chicago (Cook County) followed suit. Moreover, voters in Boulder, Colorado as well as Albany, Oakland, and San Francisco, California...