To prepare pesto, drop pine nuts and garlic clove through food chute with food processor on; process until minced. Add 2 teaspoons oil; pulse 3 times or until combined. Add basil leaves, cheese, and dash of salt; process 30 seconds or until finely minced, scraping sides of bowl once. Set aside.
To prepare soup, sort and wash beans; set aside. Heat 2 teaspoons olive oil in a Dutch oven over medium-high heat. Add leek, carrot, and 1 minced garlic clove to pan; sauté 4 minutes or until leek is tender. Add 4 cups water and cranberry beans; bring to a boil. Cover, reduce heat, and simmer 25 minutes or until beans are tender.
Add zucchini, squash, and tomatoes to pan; simmer, uncovered, 10 minutes or until vegetables are tender.
Stir in 1/2 teaspoon salt and pepper. Ladle 1 1/4 cups soup into each of 6 bowls; top each serving with 1 1/4 teaspoons pesto.