The headquarters of the British Broadcasting Corporation (BBC) in London on Apr 28, 2023, the day BBC chairperson Richard Sharp resigned. Daniel Leal/AFP via Getty ImagesLONDON – The head of the BBC has resigned over his failure to disclose an alleged financial favor he did two years ago for then-Prime Minister Boris Johnson – the man who appointed him. In recent years, it's faced allegations of improperly close ties to the Conservative Party, which controls the UK government and the BBC budget