What’s the problem? Half white obama said it in an interview on national radio.
https://www.theguardian.com/us-news/video/2015/jun/22/obama-n-word-wft-marc-maron-audio
Just two weeks ago Obama and Michelle were at a JayZ concert with 20,000 other people, dancing to a “song” called NIGGAS IN PARIS
Its apparently not as big a deal as she makes it to be.