Fry bacon crisp. Drain, reserve drippings and add oil to make half cup. Crumble bacon and reserve (you should have half cup crumbled bacon). Combine cornmeal, flour, baking powder, soda, salt, and sugar in medium-sized bowl. In a separate bowl, combine , milk and vinegar. Let stand 10 minutes. Beat eggs in large mixer bowl. Add bacon fat and milk mixture to eggs. Add cornmeal mixture and reserved bacon. Mix thoroughly. Bake in waffle iron according to manufacturer's directions, until brown and crisp. Serve hot. Waffles may be frozen for later use. To serve, thaw in microwave on defrost cycle or in toaster oven.