Roger Scruton says we must feel free to express opinions and to make jokes that others may find offensive; censoring them them only leads to a loss of reasoned argument. \n"The policing of the public sphere with a view to suppressing 'racist' opinions has caused a kind of public psychosis, a sense of having to tip-toe through a minefield, and to avoid all the areas where the bomb of outrage might go off in your face."\nProducer: Sheila Cook.