Dizzee Rascal on Obama
http://news.bbc.co.uk/1/hi/programmes/newsnight/7713441.stmThat is your british black rapper.. you americans like the english accent.. This isn't quite a traditional english accent, it's a black british street way of speaking. Youth (or as they say Yoof) of indian/pakistani descent imitate it too, hence the Ali G spoof character.
british blacks generally aren't very anti britain. They kill each other but they don't hate britain like american blacks do. [1]
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One black intellectual (dr robert beckford) did talk against historic british colonialism, and rejecting a knighthood from the queen, but even he is only on once a year every christmas attacking christianity.. and doesn't mention about the anti-britain thing much.
http://robertbeckford.co.uk/