Red Wine and Porcini Risotto

Name: Red Wine and Porcini Risotto
Ingredients: 3 1/2 cups chicken stock; 1 1/2 cups dry red wine; 1 tablespoon olive oil; 4 tablespoons unsalted butter; 1/3 cup finely diced shallots; 1/2 pound wild mushrooms, preferably porcini; 1 1/2 teaspoons chopped fresh thyme; 1 tablespoon chopped fresh parsley; 1 teaspoon tamari or dark soy sauce; kosher salt and pepper to taste; 2/3 cup finely sliced leeks (white and pale green parts only); 1 cup arborio rice; 2/3 cup grated Parmigiano Reggiano; 1 tablespoon finely snipped chives; 1 1/2 teaspoons good quality white truffle oil (optional)