Mike Sneesby resigns as Nine chief executive plagued by cultural issues

After months of pressure, the chief executive of Nine Entertainment Mike Sneesby has announced he's leaving the media giant. Mr Sneesby's departure comes after major cultural issues at Nine including allegations of sexual harrassment by former staff and the controversial exit of Nine's chairman, the former federal Treasurer Peter Costello. Reporter: Peter Ryan, Senior Business Correspondent Featured: Stephen Mayne, sharemarket activist