Green Goddess Pasta Salad

Name: Green Goddess Pasta Salad
Ingredients: 12 ounces fusilli or other short pasta; 3 cups bite-size broccoli florets (6 to 7 oz.); 5 cups loosely packed fresh tender herbs (from about 3 bunches), such as parsley, dill, basil, and tarragon; .50 cup chopped chives; .50 cup sour cream; 3 tablespoons mayonnaise; 3 tablespoons fresh lemon juice (from 2 lemons); 1.50 teaspoons kosher salt, plus more for cooking pasta; .50 teaspoon freshly ground black pepper; 4 oil-packed whole anchovies; 2 cloves garlic, chopped (2 tsp.); 1 15.5-oz. can quartered artichoke hearts, drained and chopped; 1 cup crushed pita chips; .50 cup crumbled feta (optional)