Chicken Orzo Soup

Name: Chicken Orzo Soup
Ingredients: 4 tablespoons olive oil, divided, plus more as needed; 1 pound boneless, skinless chicken breast, cut into small cubes; Salt and pepper; 1 yellow onion, diced; 3 garlic cloves, minced; 3 medium carrots, sliced into coins; 3 celery ribs, trimmed and chopped; 1 tablespoon tomato paste; 1/4 cup dry white wine; 4 cups homemade or low sodium broth (vegetable or chicken is fine); 4 cups water; 1/2 cup loosely packed fresh cilantro; 1 fresh or dried bay leaf; 1/2 cup orzo; 6 leaves Lacinato kale, stem removed and roughly chopped