In a sauce pan, cover the wild rice with 1-1/3 cups boiling water, return to a boil, reduce the heat and simmer for 40 to 45 minutes or until tender. It is not necessary to drain the rice thoroughly, but drain off any excess water.
Sauté the white rice in the oil for 2 to 3 minutes. Bring the broth to a boil, add the white rice, and return to a boil. Reduce the heat and simmer for 15 to 20 minutes. Do not drain.
Add the wild rice, onions, tomatoes, cayenne, and sage to the rice and mix well. Spoon the mixture loosely into the turkey cavities. Roast as you would any stuffed turkey.