Klein was covered here:
http://aryanism.net/blog/aryan-sanctuary/persistence-pays/Jews for starting NAACP, many Black schools&fighting for Black civil rights
They did all that in order to control the dissent by leading it.
If Jews were sincerely anti-racist, they would have used the NAACP etc. to expose the Jewish role in the slave trade, the racist teachings of Judaism, etc.. They did not.