Ditching the stuffy hang-ups and benighted sexual traditionalism of the past is an unambiguously positive thing. The sexual revolution has liberated us to enjoy a heady mixture of erotic freedom and personal autonomy. Right? Wrong, argues Louise Perry in her provocative new book. Although it would be neither possible nor desirable to turn the clock back to a world of pre-60s sexual mores, she argues that the amoral libertinism and callous disenchantment of liberal feminism and our contemporary hypersexualised culture represent more loss than gain. The main winners from a world of rough sex, hook-up culture and ubiquitous porn - where anything goes and only consent