 This is the World of Agriculture on the Iowa Agribusiness Radio Network. I'm Riley Smith. The American Farm Bureau Federation says Congress must make clearer laws after the Chevron ruling. We'll have more right after this. Thomas Rhett, live in concert. August 13th, 8 p.m., Iowa State Fair Grandstand. Don't miss a night out with this country music superstar. With over 20 number one hits.