"If people need this kind of product surely it's better that it's available to them rather than they have to exercise their desires in a criminal way."
Ms Jackson's view that porn is good for society is more than just hunch. In academic circles her theory is known as "catharsis".
Its supporters point to places such as Scandinavia and Japan, where liberal attitudes to pornography go hand in hand with low rates of sexual crime against women.
Its supporters point to places such as Scandinavia and Japan, where liberal attitudes to pornography go hand in hand with low rates of sexual crime against women.

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