ROCKWELL CITY, Iowa—James Hepp is sick of excuses. The 36-year-old farmer manages about 1,600 acres of corn, soy and small grains in northern Iowa. He keeps a close eye on his bottom line and says he wants to build a business that his three young children would be foolish not to join. For Hepp, a … Continue reading A Water Crisis Has The ‘Poster Boys’ of Iowa Farming Ready to Talk Regulation