She got a second chance to walk. Now she wants to help others, and she's starting with a dog.

On this installment of Beg-Knows America, David Begnaud meets an Arizona woman giving a shelter dog an opportunity to become a service animal in honor of her own second chance at walking after a traumatic brain injury.

On this installment of Beg-Knows America, David Begnaud meets an Arizona woman giving a shelter dog an opportunity to become a service animal in honor of her own second chance at walking after a traumatic brain injury.