It has been suggested this week that the Stephen Lawrence case was a turning point in our attitudes towards racism, not only within the police but also in wider society.

Nicola Stanbridge has been looking through the archives of the Mass Observation project, which has been monitoring British attitudes to race for the last 75 years.

Professor Tony Kushner, from Southampton University, and Arthur Torrington, from the Windrush Foundation, discuss the history of race relations in the UK.

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