Norah O’Donnell’s last sign of “CBS Evening News”

After five years at the helm of CBS Evening News, Norah O’Donnell is logging on Thursday as he prepares for a new role with the network. In a special sendoff, Oprah Winfrey looks back at the O’Donnell term as an anchor and editor -in -chief, from her historic interview with Pope Francis, to her live broadcast on the USS Nimitz ship.