In a bowl Mix together yogurt, salsa, cumin and chipotle chili powder. Set 1 1/2 cups aside in the refrigerator.
In another bowl mix together turkey, crushed chips, egg, remaining seasoned yogurt, cilantro, corn, black beans. Using a small scoop spoon, make tablespoon sized balls, and place on a lightly greased shallow baking sheet and bake in a preheated 400 degrees F for 20-25 minutes or until lightly browned.
Serve meat balls on shredded lettuce with reserved sauce for dipping.
