8/25: Remembering Neil Armstrong; Fla. in state of emergency ahead of Isaac

      |Neil Armstrong, the first person to set foot on the moon, is dead at the age of 82. Anthony Mason looks back at the incredible life on an American hero; And, Florida Gov. Rick Scott has declared a state of emergency as Tropical Storm Isaac approaches. Manuel Bojorquez reports on Isaac's future and the damage it has already done.

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