Quick Chocolate-Cinnamon Mousse with Cherries

Name: Quick Chocolate-Cinnamon Mousse with Cherries
Yield: 4 Servings
Ingredients: 8 ounces fresh Bing cherries, pitted; 1/3 cup black cherry preserves or other cherry preserves; 1/3 cup ruby Port or cherry juice; 1 1/4 cups chilled heavy whipping cream, divided; 1/8 teaspoon (generous) ground cinnamon; 4 ounces bittersweet or semisweet chocolate, chopped