Over the years, Cincinnati has earned a reputation for conservatism and keeping to itself, especially regarding food, but that's changing. Old favorites like cinnamon-scented chili on spaghetti, ice cream with huge chocolate chunks and old-fashioned German butchers selling goetta, brats and metts are being rediscovered--and in some cases re-created. A similar urge for experimentation and innovation from restaurants, farmers' markets and food producers...