Heat oil in a small saute pan. Cook onions and garlic until soft. Add wine and reduce by half. Place the water in a medium saucepan and add 2 tablespoons of salt, bring to a boil. Slowly whisk in the cornmeal and cook for, 15 to 20 minutes. Season with salt and pepper and spread into a buttered 11 by 17 inch baking sheet. Chill in the refrigerator for at least 1 hour. Heat the oil in a cast iron skillet or a deep fry to 350 degrees F. Cut the polenta into 1/2-inch squares. Dredge lightly in cornmeal and fry in batches until golden brown.
Heat a large saute pan over medium heat. Combine the cheese and flour in a medium bowl. Sprinkle 2 tablespoons of the cheese into the pan to form a 4-inch circle. Cook until the cheese is somewhat melted but not firm. Using a spatula, turn the cheese over and cook until firm. Drape the crisp over a large rolling pin until cool. Repeat.
Put all ingredients except oil in a blender and blend until smooth. Slowly add the oil and season with salt and pepper. Place the romaine in a large bowl and toss with some of the dressing. Divide among 4 plates. Scatter croutons around and place a Parmesan crisp in the center of the salad.
Season pork with salt and pepper on both sides. Heat a few tablespoons of oil in a large saute pan until almost smoking. Cook the pork for 3 to 4 minutes on 1 side or until golden brown, turn over, reduce heat to medium and continue cooking to medium doneness. Remove to a plate and keep warm. Pour off all but 2 tablespoons of the fat. Add the garlic and onions and cook until soft. Add the wine and cook until reduced by half. Add the stock and cook to a sauce consistency. Whisk in the mustards and thyme and season with salt and pepper to taste.