'What she [Judy Garland] expresses here, what she embodies with the purity of an archetype, is the human dream of leaving, a dream at least as powerful as its countervailing dream of roots. At the heart of "The Wizard of Oz" is a great tension between these two dreams; but as the music swells and that big, clean voice flies into the anguished longings of the song ["Over The Rainbow"], can anyone doubt which message is stronger?'; To stay or go, Hollywood style; from the publisher's series of film classics.