I suggest none of you guys ever invite her to sing the national anthem. That'll show her.
If you were invited to give a speech about American History and you ended up talking about the black man's ongoing battle with 'the man', don't you think your audience would have grounds for disapproval?
Of course not. Because the only topic that is relevant to anybody in this country is how the blacks were and are marginalized, and how the nation, both past and present, owes them respect that they are mysteriously not getting.
Get the hell over it and move move forward, or history will get over you and leave you behind.