Radnor filmmaker Jennifer W. Stein screens her documentary, "TRAVIS: The True Story of Travis Walton." It tells of one man's survival after a terrifying journey when a mysterious craft overhead beams a blue light over his logging truck and crew, striking Walton unconscious. Panicked, his crew sped off, leaving him for dead in the forest. The 1975 UFO incident is one of the most documented UFO events in modern history.Walton himself will be the guest speaker at this exclusive screening, which benefits Main Line Public Television, Radnor Studio 21. Details are available at www.TravisWaltontheMovie.com.