Peter Costello resigns as Nine Entertainment chair after journalist altercation "brain fade"

Former federal Treasurer Peter Costello has resigned as chair of Nine Entertainment after a damaging altercation with a News Corporation reporter at Canberra Airport last week. Current deputy chair Catherine West has been elevated to replace Mr Costello. Her challenge will be lead cultural change at the media organisation after allegations of sexual harrassment and inappropriate behaviour levelled at former Director of News, Darren Wick. Reporter: Peter Ryan, Senior Business Correspondent Featured: Stephen Mayne, shareholder activist