Green Goddess Pasta Salad

Name: Green Goddess Pasta Salad
Ingredients: 8 ounces uncooked gemelli pasta; 1 (1-pound) bunch asparagus , trimmed and cut diagonally into 2-inch pieces; 1 cup packed fresh flat-leaf parsley or cilantro leaves; 1/2 cup loosely packed fresh basil or tarragon leaves; 1/2 cup loosely packed fresh chives or trimmed scallions; 3/4 cup whole-milk plain Greek-style yogurt; 2 tablespoons fresh lemon juice; 2 tablespoons water; 2 drained anchovy filets in oil; 1 small garlic clove , smashed; 2 teaspoons kosher salt , divided; 1/4 teaspoon black pepper; 1 cup drained, marinated quartered artichoke hearts; 1 (8-ounce) package mozzarella pearls; 4 medium fresh radishes , quartered and thinly sliced (1 cup); Chopped fresh chives