A daughter of a single mother who had managed to gain admission to Princeton was horrified to learn that she'd been assigned a black roommate. Her mother demanded that she be moved and, when the university did not accede to this request, her grandmother suggested that she withdraw from Princeton. Unbelievable. This article gives some background for Michelle Obama's comment that she did not feel accepted at Princeton:
Georgian recalls rooming with Michelle Obama | ajc.com
These people believe that Michelle was never aware of their feelings and attempts to have the room assignment changed. That's hard to believe.