As fate would have it, the day after I posted my “Diversity Training Rant,” NBC’s The Office aired their take on diversity training. Michael, the white nincompoop office manager, played by Steve Carell, kicks off a diversity training session by performing the infamous Chris Rock routine — verbatim. You know, the one where Rock compares black people to n-words? Rock loves black people, but can’t stand n-words. He complains that n-words always ‘wreck it’ for everybody. Michael thinks his version is funnier than Rock’s and performs it with gusto and …