Antipasti Dinner Salad

Name: Antipasti Dinner Salad
Ingredients: 1/2 cup extra-virgin olive oil, plus more for drizzling; 2 large cloves garlic, smashed; 8 slices rustic Italian bread; Kosher salt; 2 tablespoons red wine vinegar; Freshly ground pepper; 1 small head radicchio, thinly sliced; 3 stalks celery, thinly sliced; 6 ounces deli-sliced hard salami or soppressata, cut into strips; 10 to 15 fresh basil leaves, sliced if large; 8 ounces small mozzarella balls (bocconcini), halved; 20 cured black olives (such as kalamata or nicoise), pitted and halved; 2 romaine lettuce hearts, halved lengthwise