A Great Conversations event focusing on the loss of life, loss of innocence, and the jarring blow to Americans' sense of security following the terrorist attacks of 9/11. Pauline Boss, University of Minnesota Family Social Science professor and author of "Ambiguous Loss: Learning to Live with Unresolved Grief," talks with Gail Sheehy, a cultural observer and best-selling journalist, and author of "Middletown, America: One Town's Passage from Trauma To Hope." The event was sponsored by the University of Minnesota's College of Continuing Education.