The land of Wonder is overflowing with focaccias and ciabattas and olive loaves. The home of American cheese now regularly yields up Parmigiano-Reggiano, not to mention cow and buffalo mozzarella. In other words, it doesn't get any better than this. So enough whining about the state of the union. Grab a bag of blue heirloom potato chips, pour yourself a Trappist ale, and let's take a look at our biggest, most inventive industry: the business of staying fat and happy.