Italian Hero Sandwich

Name: Italian Hero Sandwich
Ingredients: 1/4 cup red wine vinegar; 1 tsp. dried oregano; 1/2 tsp. dry mustard; Salt and freshly ground pepper, to taste; 1/2 cup extra-virgin olive oil; 1 loaf Italian bread with sesame seeds, about 24 inches long, cut in half lengthwise; 1/2 cup seeded and chopped pepperoncini; 1/2 cup seeded and chopped cherry peppers; 2 cups finely shredded iceberg lettuce; 4 tomatoes, thinly sliced; 5 oz. thinly sliced salami; 5 oz. thinly sliced cappicola; 5 oz. thinly sliced salami cotto; 5 oz. thinly sliced mortadella; 5 oz. thinly sliced provolone cheese