In retrospect, maybe the protein Pop-Tarts were a bit much. Americans, broadly speaking, are in a state of protein mania. We are eating it at breakfast, lunch, dinner, dessert, and just about anytime in between. We like it in chips, candy, soda, water. We like protein so much, in fact, that we’ve been eating it all up. Whey-protein prices are surging , and a shortage may be imminent. “Demand is strengthening,” the USDA warned in a recent report, and “inventories remain tight.” Some