The Origins of Political Correctness
An Accuracy in Academia Address by Bill Lind
http://www.academia.org/lectures/lind1.html
(snip) How does all of this stuff flood in here? How does it flood into our universities, and indeed into our lives today? The members of the Frankfurt School are Marxist, they are also, to a man, Jewish. In 1933 the Nazis came to power in Germany, and not surprisingly they shut down the Institute for Social Research. And its members fled. They fled to New York City, and the Institute was reestablished there in 1933 with help from Columbia University. And the members of the Institute, gradually through the 1930s, though many of them remained writing in German, shift their focus from Critical Theory about German society, destructive criticism about every aspect of that society, to Critical Theory directed toward American society. There is another very important transition when the war comes. Some of them go to work for the government, including Herbert Marcuse, who became a key figure in the OSS (the predecessor to the CIA), and some, including Horkheimer and Adorno, move to Hollywood...
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I can see why telling the truth is now 'politically incorrect' - thanks for the link.