Arianna Huffington says we all have gifts that can make a difference, even if we aren't using that talent to make a living.
In this online exclusive, Arianna shares a story about her sister, Agapi, an accomplished actress at the Royal Academy of Dramatic Art, who didn't get a part she was sure she would land.
Find out how Agapi took a day of dejection and used her talent to bring joy to a busload of New Yorkers.