Found guilty of 'serious editorial misjudgements' by the broadcasting watchdog Ofcom, Channel 4 was today ordered to apologise on-air for its handling of the racism row that engulfed the last series of Celebrity Big Brother. Sparking an unprecedented 44 thousand viewers' complaints, the abuse of Shilpa Shetty by her housemates became an international controversy. Channel 4's Chief Executive now accepts that what happened was 'racially offensive', although he insists it's not a resignation matter. But could the damning crtiticism of Channel 4's management make it more difficult for them to fend off any prospect of privatisation?