In a 5- to 6-quart slow cooker place carrots and onions. Sprinkle chicken with 1/2 teaspoon salt. Add to cooker; top chicken with raisins and apricots. In bowl whisk broth, tomato paste, flour, lemon juice, garlic, cumin, ginger, cinnamon, and 3/4 teaspoon ground black pepper. Add to cooker. Cover; cook on low-heat setting for 6-1/2 to 7 hours or on high-heat setting for 3-1/2 to 4 hours. Serve in bowls with couscous. Sprinkle with nuts. Garnish with cilantro.