the us midterm elections are just three days away — incumbentjoe biden, his ally barack obama, and alsoald trump all take their campaigning to pennsylvania. and thousands gather in seoul to remember the halloween crush victims — many are demanding the president resign. you are watching bbc news. now, politicalthinking with nick robinson. hello and welcome to political thinking, a conversation with rather than an interrogation of someone who shapes our political thinking about what shapes theirs. in a new cabinet dominated by public schoolboys and oxbridge graduates, the new education secretary stands out. gillian keegan�*s old school, a comprehensive in knowsley called st augustine's, was nicknamed st disgusting before it was shut down a couple of years after she left. like most kids at her school, gillian left at the age of 16 and went to be an apprentice at a car factory. now, that was a springboard as we'll hear for a very successful business career. she went on to be the commercial director at mastercard, chief marketing officer at a big travel firm called travelport. her boss, now,