"Extremadura should be pleased with itself," sniped Pilar Rahola, a columnist in the Barcelona-based La Vanguardia newspaper. "It may have the most unemployed young people in Spain, but they will be the best at masturbation."The Devil, so they say, gives work to idle hands. Not surprisingly, this story was the fifth most popular on the Grauniad website, because it is about teenage sex. But, once the sniggering is over, this seems like a very good idea; at least, a better idea than kids getting their sex education from R'n'B promos.