In large skillet over medium-high heat, cook and crumbled beef until no longer pink; drain.
Stir in chili beans, black beans, taco seasoning and ½ cup salsa; reduce heat and simmer 3-5 minutes or until heated through.
Meanwhile, in large bowl combine dressing and remaining salsa. Add lettuce, cheese, tomatoes and olives; toss until well combined.
Divide among 6 dinner plates; top with beef mixture and tortilla chips.
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