By Jonathan PowerApril 24, 2008 LONDON – If May ’68 in Paris was a turning point in European-American culture, which I doubt, when did the mood begin? With the songs of the Beatles who started in 1961? (And to my mind the most enjoyable film of the last decade, “Across the Universe”, makes that claim as well as it can be made.) Or was it the founding of Amnesty International in the same country also in 1961 which brilliantly merged the growing post war sense of the importance of the individual with the urge to browbeat the collective will of both left and right wing governments? Or was it Martin Luther King’s March on Washington in 1963 when he said, “I have a dream”. Or was it earlier in 1955, the year of the Montgomery, Alabama, bus boycott that first precipitated Dr King to fame and which was catalyzed by...