Neapolitan Calamari and Shrimp Salad

Name: Neapolitan Calamari and Shrimp Salad
Ingredients: 4 cups chicken broth; 1/2 pound orzo pasta (about 1 cup); 1/2 pound calamari, whole bodies and tentacles; 1/2 pound shrimp, peeled and deveined; 2 zucchini, sliced lengthwise, about 1-inch wide; 1 Japanese eggplant, sliced lengthwise, about 1-inch wide; 2 Roma tomatoes, halved lengthwise; 1 (15-ounce) can cannellini beans, drained and rinsed; 3 ounces arugula (about 3 cups); 3/4 cups chopped fresh basil leaves; 1/4 cup chopped fresh flat-leaf parsley; 2 lemons, juiced; 2/3 cup extra-virgin olive oil; 1 1/2 teaspoons kosher salt; 1 1/2 teaspoons freshly ground black pepper