COOK orzo according to package instructions.
In a large bowl, WHISK together orange and lemon juice, olive oil, salt, cumin and hot sauce.
ADD beans and remaining ingredients, including cooked orzo; TOSS gently to coat.
COVER; CHILL at least one hour.
Per Serving (excluding unknown items): 3381 Calories; 16g Fat (4.1% calories from fat); 212g Protein; 618g Carbohydrate; 149g Dietary Fiber; 0mg Cholesterol; 247mg Sodium. Exchanges: 40 Grain(Starch); 11 1/2 Lean Meat; 1 Vegetable; 0 Fruit; 1/2 Fat.