Hero pets make human lives better!

Nancy Grace talks about how animals help humans -- sometimes even saving lives. Her special guest include Jack Hanna, director emeritus of the famous Columbus Zoo and Aquarium and host of Jack Hanna’s Into the Wild and Wild Countdown, reporter and animal lover Jane Velez-Mitchell, creator of the animal rights website JaneUnchained.com, and two mom's who credit dogs with saving the lives of their children.

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