Well, let's just imagine for a moment that Bong did mishear. If I was JR I too would defend myself as much as I possibly could, if someone for example accused me of racism in the workplace and possibly put my reputation and career on the line then I would do absolutely everything in my power to...
I have always thought this though worried to say it for fear of being hounded a racist by NSC. I am sure Bong thinks he heard 'You're black and you stink' but to me that just isn't the sort of thing people (and racists) say, the chance that he misheard "Your breath stinks' is very possible...