Hemp has been used for centuries to make rope, fishnets, paper, car parts, fuel and much more. It’s an unruly crop. It’s skinny, it’s tall, but what has made it controversial is that it’s a derivative of the cannabis plant. Despite the very low levels contained in hemp of the mind-altering component in marijuana, tetrahydrocannabinol (THC), a negative stigma is still attached to the crop. Betty Obendorf is the historian in the tiny town of Polo in the northwest corner of the state. During World