For K-9 handler Wilma Melville and her dog Murphy, the aftermath of the 1995 Oklahoma City bombing was a frantic blur: the choking dust, the mountains of debris and the anguish of knowing people buried alive were praying to be found before time ran out.
Martin Luther King Jr. Day is not just a federal holiday where you take off work, it's also meant to be a national day of service -- a time for action. "You can have a person in your own house that needs help. Your neighbor needs help. That is the whole premise," said Carmen Coya van-Duijn with the King Center in Atlanta.