In a large pot or Dutch oven, heat 3 teaspoons olive oil over medium heat. Add onion, garlic, sage, and rosemary; sauté for 2 minutes. Add rice and stir thoroughly to coat. Add wine and stir until it absorbs, about 2 minutes. Add 1/2 cup broth mixture and stir, allowing broth to absorb, about 2 minutes. Repeat, adding 1/2 cup broth at a time, stirring nearly constantly, allowing each addition to absorb before adding another (this takes about 20 minutes total).