The ideological passions that, along with critical acclaim, greeted the publication of Paul Berman's A Tale of Two Utopias showed how persistent are some of the battle lines drawn in the tumultuous years around 1968.
A Tale of Two Utopias recounts "in clean, clear, often funny style" (Washington Post) four episodes in the history of a generation: the worldwide student radicalism of the years around 1968; the birth of gay liberation and modern...