Chris Rock
I'm glad someone brought him up. Go find a clip of him talking about niggers. He's a black guy that uses the work, not in a friendly context but actually to insult certain types of black people.
What if he was in the house? Would they evict him, being a black comedian, saying that word?
On a separate note - it was a big of a shame that in the post BB chat show (Big Brother's Big Mouth) they couldn't find a guest to disagree with their decision. That would have made for a more interesting debate.
End of the day - I never watch Big Brother. Ever. I did tonight. C4 win.