Place bread on a baking sheet, and bake at 400° for 5 minutes or until lightly toasted.
Combine mozzarella and dressing in a shallow dish or zip-top plastic bag; cover or seal, and chill 1 hour.
Toss together bread, olives, next 5 ingredients, and mozzarella mixture. Let stand 20 minutes. Serve over lettuce, and sprinkle with crumbled bacon.
*8 cups cubed and lightly toasted cornbread may be substituted.
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