Witness: Black History Collection

In 1968, when Petula Clark touched Harry Belafonte's arm during a duet, it was the first time a white woman had touched a black man on US television.The sponsor insisted it be cut from the programme, but the programme makers refused. Louise Hidalgo speaks to the producer of the programme, Steve Binder.(Photo: Harry Belafonte. Credit: Alan Meek/Express/Getty Images)