Why is Kevin Rudd' s lead in the election polls becoming more and more secure?

http://cid-fdcd3a2a3afd47c4.skydrive.live.com/self.aspx/Spoonman%20Editorials/ToBeALib27072007.mp3

This link will take you offsite to the Windows Live Skydrive where the podcasts are located. Just choose the Download link on that page to listen.