Ginseng root has long been used in folk medicine in the United States and Asia. But now, it's big business, appearing in pills, energy drinks and even cosmetics. The manufacturers of these products buy ginseng from a seller. The seller buys it from a network of buyers. And those buyers purchase it from those who dig it out of the ground. So before all the glitzy packaging and promises, the main ingredient in your energy drink may have started in North Springs, Tennessee with Ward Kemp. As part of WUOT's Next Wave Radio Project, Kelsey Willis reports on how a scraggly root became the centerpiece of her grandfather's career.