"This is probably the biggest non-prison ever built for black people." Comedian Chris Rock jokes about pal Oprah Winfrey's new school for underprivileged girls in South Africa. Rock joined Winfrey, Spike Lee, Tina Turner, Mariah Carey and other celebrities at the launch of the $40 million (GBP20.5 million) academy on New Year's Eve (31DEC06).