TACO SALAD

In salad bowl, arrange lettuce and radishes. Cover; refrigerate until serving time. Meanwhile, in 10-inch skillet over medium-high heat, cook ground beef, onion, chili powder and garlic until onion is tender, stirring to break up meat. Pour off fat. Stir in tomatoes, chilies and salt; heat to boiling. Reduce heat to low; cook 5 minutes or until tomatoes are soft. To serve: Pour hot beef mixture over lettuce and radishes. Top with avocado, cheese, corn chips and olives. Serve immediately.