I went on Friday to talk about the PP with the sixth form at South Hampstead High School, a single-sex school.  The 60 or so girls engaged with the issues in lively fashion (or so it seemed to me), and I learnt much from the discussion. Towards the end of the discussion one girl observed that I shouldn't really be talking to them, but to boys - and men - instead. How right she is, for two reasons. First, here are the latest UCAS figures on university applications. In England, in 2014, 39.9 per cent of 18 year old women have applied compared with 30.0 per cent of men, making…