Atlanta among cities to remember those lost during Sept. 11

Nearly 50 cities across the U.S., including Atlanta, will pay tribute to the New York firefighters killed at the World Trade Center, by symbolically retracing their heroic steps in the National Fallen Firefighters Foundation Sept. 11 Memorial Stair Climb. Chief Ron Siarnicki, the executive director of the National Fallen Firefighters Foundation, discusses the upcoming event and how people can participate.