anchor.diff:  Julia Gillard,10/12/2006,06/12/2007,Shadow Minister for Social Inclusion
   Julie Bishop,06/12/2007,,Deputy Leader of the Opposition
   Julie Bishop,06/12/2007,22/09/2008,"Shadow Minister for Employment, Business and Workplace Relations"
  -Julie Bishop,22/09/2008,,Shadow Treasurer
  +Julie Bishop,16/02/2009,,Shadow Minister for Foreign Affairs
  +Julie Bishop,22/09/2008,16/02/2009,Shadow Treasurer
   Kelvin Thomson,10/12/2006,09/03/2007,Deputy Manager of Opposition Business in the House
   Kelvin Thomson,26/08/1997,21/10/1998,Parliamentary Secretary to the Shadow Minister for Population and Immigration
   Kelvin Thomson,26/08/1997,21/10/1998,Parliamentary Secretary to the Shadow Treasurer
  
positive.code: Mark Latham,20/03/1996,27/03/1997,Shadow Minister for Local Government
  Mark Latham,23/11/2001,23/08/2002,Shadow Minister for Urban Development and Housing
  Mark Latham,02/07/2003,08/12/2003,Shadow Treasurer
  Martin Ferguson,26/08/1997,21/10/1998,Assistant to the Leader of the Opposition on Multicultural Affairs
  Martin Ferguson,20/03/1996,26/08/1997,Shadow Minister for Employment and Training
  Martin Ferguson,20/10/1998,03/10/1999,"Shadow Minister for Employment, Training and Population"
  
negative.code: Senator Michael Forshaw,23/08/2002,25/10/2004,Shadow Parliamentary Secretary (Family and Community Services)
  Senator Michael Ronaldson,22/09/2008,,Shadow Cabinet Secretary
  Senator Michael Ronaldson,06/12/2007,,Shadow Special Minister of State
  Senator Mitch Fifield,20/02/2009,,"Shadow Parliamentary Secretary for Disabilities, Carers and the Voluntary Sector"
  Senator Nick Bolkus,20/03/1996,21/10/1998,Shadow Attorney-General
  Senator Nick Bolkus,20/10/1998,23/11/2001,Shadow Minister for Environment and Heritage
  Senator Nick Bolkus,20/03/1996,21/10/1998,Shadow Minister for Justice
  