When it comes to food, Americans seem to have a pretty great deal. Our grocery stores are overflowing with countless varieties of convenient products. But like most bargains that are too good to be true, the modern food system relies on an illusion. It depends on endless abundance, but the planet has its limits. So too does a healthcare system that must absorb rising rates of diabetes and obesity. So too do the workers who must labor harder and faster for less pay. Through beautifully-told stories from around the world, Kevin Walker reveals the unintended consequences of our myopic focus on...