The U.S. dairy industry has suffered supply/demand imbalances for decades, but the problem continues to be generated on the supply side of the equation. While the population has been growing at a little over one-half percent per year, cheese consumption has been expanding at a 2 percent annual rate. Even more striking has been the demand for butter. The rebound for butter began with the government campaign against trans fats for health reasons.  In 2013, the U.S. FDA declared that trans fats, which were used in making margarine, were no longer generally regarded as safe. Since that time, demand for butter instead of margarine has been growing at an annual rate of 2.25 percent.  ...