young girls was making them increasingly vulnerable.Ms Liebau's book, Prude: How The Sex- Obsessed Culture Damages Girls, blames the music and videos of Spears, Aguilera and Lil' Kim, as well as films such as Cruel Intentions, for making teenagers value sexuality above all else.She said: The overwhelming lesson teenagers are now learning from the world around them is that being 'sexy' is the ulti