The article highlights the 90th anniversary of the Parmigiano Reggiano cheese consortium and discusses the product's future in a changing market. It points out that Italy's aging population may limit growth, necessitating expansion into international markets. However, protectionism in the United States and China could potentially impose duties on quality dairy products like Parmigiano Reggiano, which could increase prices and negatively affect consumers. Nicola Bertinelli, the consortium's president, emphasizes the importance of European unity to ensure these products are exempt from trade disputes, avoiding potential harm to producers and consumers.