Thirsty (for Knowledge) Thursday - A Young Tragedy

Lisa Ling explores the tragedy of youth suicide on reservations.

Lisa Ling and suicide hotline operator Eileen head to Mariah's grave, who was just a freshman in high school when she killed herself, a fate all too common on the reservation. For more on Our America with Lisa Ling, visit http://www.oprah.com About OWN: Oprah Winfrey Network is the first and only network named for, and inspired by, a single iconic leader.