"The Judy Garland Show," which aired Sunday nights at nine on CBS twenty-six times between June 1963 and March 1964, was the last glimmer of a fading star. As Dorothy in The Wizard of Oz Judy Garland had charmed the world, singing and dancing down a golden path to fame; now she was middle-aged and wracked with personal problems, habitually late for rehearsals, often not showing up at all. When she made what proved to be her final appearance on Stage...