It takes almost an hour to walk around the vast whiskey maturation campus in Waterford owned by Stafford Bonded, a fourth-generation family business. Michael Stafford Jr, the managing director of the firm, is a fascinating tour guide telling the story of his family business founded by his great-grandfather George Stafford in 1892. We pass through warehouses stacked full of wooden barrels containing maturing whiskey as well as sparkling steel intake and cask-filling equipment. Stafford Jr explains how it all works. Stafford Bonded has a total of 600,000 sq ft of bonded warehousing, allowing it to manage close to 20 million…