Rescuers battle elements to reach capsized ship's passengers

There are hundreds of divers working to reach passengers trapped inside the capsized South Korean ferry. They are battling rough weather and cold water during 12-hour shifts. There are 276 people who are still missing. Loved ones are praying air pockets inside the ship are keeping them alive. Kyung Lah is in Jindo, South Korea with the latest on the rescue effort.

Only one of the ferry's 46 life boats deployed. This is just one of the troubling questions Anderson discusses with maritime safety consultant James Staples, rescue diver Butch Hendrick and Maritime Security Council Governor Emeritus Kim Petersen.