Segment from a 1967 TV documentary about hippies narrated by Harry Reasoner. Included is an interview with the very young Grateful Dead and an excerpt from their live free performance in the park of "Dancin' in the Streets":
http://www.youtube.com/watch?v=8zHmi9y-KLo Reasoner's verdict: "Style without content." He did get the positive aspects of the hippie worldview; he just didn't think they amounted to much. And he may have been right.