No matter our religious beliefs, we can all celebrate the Thanksgiving holiday. But there's far more benefit to giving thanks than we ever imagined. Even scientists have discovered the good that being grateful brings to our minds, our bodies and our spirit. Diana Butler Bass, the author of "Grateful: The Transformative Power of Giving Thanks", talks about the healing we can have personally when we give thanks, but also, how we can heal a divided world by becoming a "thankful society."