I went recently to the RSA to listen to Hanna Rosin presenting her book on The End of Man. The book has been widely publicised so you may know her main thesis: that women have overtaken men, leaving them out in the cold and lacking identity and a role. I have quite a lot of time for much of the argument, and I like the contrast - as a generalisation - between women as 'plastic' ie adaptable, and men as 'cardboard' ie not adaptable and in some sense soggy ( though I haven't read the book so don't know if she actually uses this term). Where I'd put up a…