They have to explain because OJ is black and the station represents black viewpoints. They have to explain if this combination will mean a real interview. The President of BET didn't answer the question. He didn't answer because he knew someone from the networks would never be asked such a question. The white perspective on things dominates, and Dan Rather gets to tell the story of the Million Man March without first explaining what right he has at all to tell a story other than his own at all.
Invisibility gives whiteness privilege.
Whiteness, in contemporary dialogue, isn't a part of the sphere of ethnic difference. Instead, its the standard against which difference is measured. This normalcy, this invisibility, is what keeps white privilege in place. And this white privilege makes sure that we will continue to play the role of Dan Rather, that we will never really break free of our ignorance and of his. C-Span's cameras, as they roamed through the crowds at the Million Man March, had no voices behind them.