Hemp is most useful plant on the planet. It can be used for food, textiles, bio-plastics, auto parts, building materials, medicine (CBD oil) - thousands of Earth-friendly products. While more states are starting to grow hemp every year, it is still federally illegal, classified as a controlled substance along with marijuana - both come from different varieties of the cannabis sativa plant. The USA imports half a billion dollars of hemp products annually. This documentary is a great source for understanding the history, the many uses, and the politics of hemp.