I don't know, did he? Here's some more if that didn't convince you (courtesy of Tim Wise: http://www.timwise.org/2010/07/black-powers-gonna-git-you-su...)

http://www.princeton.edu/~pager/race_at_work.pdf

http://www.eeo1.com/1999_NR/Title.pdf

http://www.nytimes.com/2009/12/01/us/01race.html?_r=2