Sometimes the greatest threats to clean air don't come from a smokestack. Residents of Boyle Heights battle a conglomeration of dangers from traffic jams to factories to railroads and auto body shops. Correspondent Vince Gonzales examines the hidden hazards of extreme air pollution and what this predominantly Latino neighborhood is doing to turn Boyle Heights from a toxic hot spot to a green zone.
Plus, in the latest installment of our "Your Turn to Care" series, needing a caregiver is not inevitable. Three "super seniors" share the secrets to staying healthy and active in their 80s and 90s.
And humorist Brian Unger tackles...cookies.