10 ounces day-old country bread, cu

10 ounces day-old country bread, cut into 1 1/2-inch pieces 1/2 pound cooked cannellini beans (5 1/2 ounces dried beans) 20 fresh basil leaves, torn 8 anchovy fillets, rinsed and chopped (optional) 4 scallions, white and green parts, sliced thinly on the bias 3 medium heirloom tomatoes, seeded and sliced 1 English cucumber, peeled, seeded, and thinly sliced crosswise 1 yellow or red bell pepper, seeded and sliced into thin strips 1 teaspoon chopped fresh marjoram 1/2 cup red-wine vinegar 2/3 cup olive oil, plus more to taste Salt and freshly ground black pepper, to taste