Bring broth to a boil in sauce pan
Stir in couscous
Cover, remove from heat, let stand 5 minutes
Emulsify by whisking together olive oil, lime juice, vinegar, and cumin in mixing bowl
Add green onions, red pepper, cilantro, corn, and beans; toss to coat
Fluff couscous well, breaking up any chunks
Add to the bowl and mix well
Season with salt & pepper to taste
Serve immediately or chill in refrigerator until ready to serve