The California hemp industry received welcome news late last fall when the U.S. Department of Agriculture (USDA) released its much-anticipated interim final rule for hemp production, a critical step toward implementing the 2018 Federal Farm Bill and a key for states wanting to regulate their own hemp markets. In February, the USDA relaxed requirements related to hemp testing labs and “hot crop” destruction. The agency gave farmers a one-year reprieve from having to test their crops (for THC)...