Soak and cook the black beans according to directions. In a bowl, whisk together the lime, cumin, chili powder, oil, salt, and pepper.
Cut kernels from corn. Combine corn kernels, black beans, bell pepper, and red onion in a large bowl and toss with dressing. Salad may be made one day in advance. Serve slightly chilled with a bag of Late July Organic Tortilla Chips.