Enjoy this easy, tasty and fun meal of chicken marinated in a soy sauce, sake and ginger sauce, then treaded onto skewers and broiled with leeks. 6 SERVINGS      Servings     * 1/2 cup sake     * 1/2 cup soy sauce     * 1 tablespoon sugar     * 1 clove garlic, crushed     * 1 (2 inch) piece fresh ginger root, grated     * 1 ...