The rise of plant-based "milk"

Americans today are drinking 37% less milk than they did 50 years ago, while the market for plant-based milk has skyrocketed in recent years. But is the beverage derived from plants like almonds and oats "milk," or is it "juice"? As the FDA takes a closer look at just what makes milk "milk," Serena Altschul talks with the CEO of Oatly, a plant-based milk alternative, and with a New York organic dairy farmer who is feeling the pinch of a declining market for cow's milk.