Some familiar-but-important and some new material from a discussion on a new report today from the TUC/Work Foundation, on the Gender Jobs Split. The familiar was about the dismal and depressing overall levels of youth unemployment, and their probable long-term impact on the futures of this generation.   Familiar too, but in a different sense, is the way young women and men go into their separate groups of occupations - the difference being that many of the commentators expressed surprise (as well as dismay) at how little things have changed on this over the decades.  Ian Brinkley described progress on gender desegregation as 'glacial';  others went further and suggested that the…