Martha MacCallum, host of The Story on the FOX News Channel, sits down with a major news maker each week to get their "Untold Story." Martha's guests share inspiring stories of perseverance, positivity and more.

This week, Martha sat down with Taya Kyle, author and wife to "American Sniper" the late Chris Kyle, to discuss her new book "American Spirit" and share her untold story of creating a new normal after her husband was killed.

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