Pasta with Shrimp in Tomato Cream

Name: Pasta with Shrimp in Tomato Cream
Ingredients: Kosher salt; 3/4 pound fusilli; 2 tablespoons olive oil; 1 pound shrimp, peeled and deveined; Freshly ground black pepper; 3 scallions, thinly sliced (dark green portion kept separate); 3 cloves garlic, thinly sliced; 1 cup heavy cream; 1/2 cup chicken stock; 1/2 cup dry vermouth; 1/2 cup dry-packed sun-dried tomatoes, thinly sliced; 1 tablespoon tomato paste; 1 cup crumbled feta cheese; 1/4 cup chopped flat-leaf Italian parsley; 1/4 cup fresh basil chiffonade (see Cooks' Note)