Dave Chappelle's secret gig proves rude health of black British comedy
After his sellout shows with Jon Stewart, the US star hosted a free night in London featuring local acts and a raucous slew of close-to-the-bone material"I see a white man," said Dave Chappelle to the intimate audience at the Backyard Comedy Club, London, on Wednesday. "Two, three, four ... oh my God, 10 white people. I'll start the bidding at £200." The room erupted and it was clear just from seeing the crowd tha…