Black Bean Soup with Chipotle Chiles

Name: Black Bean Soup with Chipotle Chiles
Ingredients: 1 tablespoon olive oil; 2 medium-size red onions, chopped; 1 medium-size red bell pepper, chopped; 1 medium-size green bell pepper, chopped; 4 garlic cloves, minced; 4 teaspoons ground cumin; 1 16-ounce package dried black beans; 1 tablespoon chopped canned chipotle chiles*; 7 cups hot water; 2 tablespoons fresh lime juice; 2 teaspoons coarse kosher salt; 1/4 teaspoon ground black pepper; 1 cup plain nonfat yogurt; 1/2 cup chopped seeded plum tomatoes; 1/4 cup chopped fresh cilantro