Tasty Radicchio Salad

Name: Tasty Radicchio Salad
Ingredients: For the salad; 3 1/2-inch thick slices sandwich bread; 2 tablespoons extra virgin olive oil; kosher salt; coarsely ground black pepper; 2 medium heads radicchio (3/4- 1 lb total); green olives; 1 oz parmesan, finely grated; For the dressing; 1 lemon; 1 medium garlic clove; ½ teaspoon kosher salt; ¼ teaspoon coarsely ground black pepper; ¼ teaspoon sugar; 3 tablespoons mayonnaise; ¼ cup extra virgin olive oil