Michael Isikoff; Schizophrenia and Genius; Bill Bryson

Investigative correspondent for Newsweek Magazine Michael Isikoff analyzes the importance of the testimony of Monica Lewinsky's confidante, Linda Tripp. A look at the connection between genius and schizophrenia with Sylvia Nasar, author of "A Beautiful Mind," journalist Howard Chua-Eoan, and psychiatrist Dr. Kenneth Davis. Author Bill Bryson presents his new book "A Walk in the Woods," which chronicles his adventure walking the Appalachian Trail in an attempt to reconnect with his homeland.