This week's bruising Commons exchange between the Chancellor, Rachel Reeves, and the man she replaced at the Treasury, Jeremy Hunt, is just the opening encounter in what promises to be a long running parliamentary battle over the state of the public finances. Plus, the carve up of select committee chairs between the parties has been announced: what does it all mean? And with more than a thousand new bag-carriers set to be hired by MPs we talk to former union rep chair Max Freedman about the perils and rewards of being a Westminster aide.