Italian Chicken Salad

Name: Italian Chicken Salad
Ingredients: 4 cups (1/2-inch) cubes Italian bread (from a 1/2-lb crusty round loaf); 2 tablespoons extra-virgin olive oil; 1/4 teaspoon salt; 1/4 cup red-wine vinegar; 2 teaspoons Dijon mustard; 2 tablespoons finely chopped shallot; 1 teaspoon sugar; 1/8 teaspoon black pepper; 1/2 cup extra-virgin olive oil; 2 cups coarsely shredded cooked chicken (1/2 lb; from a rotisserie chicken); 1 cup bocconcini (small fresh mozzarella balls; 6 oz); 2 hearts of romaine (3/4 lb total), torn into bite-size pieces; 1 (8-oz) jar roasted red peppers, rinsed, drained, and cut lengthwise into 1/4-inch-wide strips; 1 cup assorted marinated brine-cured olives (5 oz)