Orzo with Grilled Shrimp, Summer Vegetables, and Pesto Vinaigrette

Shrimp, large

Basil leaves plus, fresh sprigs

Heirloom tomatoes

Red or yellow bell pepper

Zucchini or summer squash, medium

Lime juice, fresh

Purchased pesto

Orzo

Olive oil, extra-virgin

Red wine vinegar

ball Mozzarella cheese, fresh