Place each chicken breast half between 2 sheets of heavy-duty plastic wrap; pound each breast half to 1/2-inch thickness using a meat mallet or heavy skillet.
Sprinkle both sides of chicken with salt and pepper.
Heat oil in a large nonstick skillet over medium-high heat.
Place flour in a shallow dish; dredge chicken in flour.
Add chicken to pan; cook 3 minutes on each side or until lightly browned.
Add wine; cook 1 minute.
Add olives and the next 4 ingredients (through tomatoes); bring to a boil. Reduce heat, and simmer 8 minutes or until chicken is done.