Compare the Coalition campaign launch with the ALP's. There to support Kevin Rudd and Labor in the campaign were all living past Labor Prime Ministers. At the Coalition launch, there was no sign of anyone associated with the last Liberal government other than John Howard himself and Downer.
This discussion at Spin Cycle shows how the ex-Liberal leaders are either more concerned with their own lives and ventures post politics or ashamed of what the party has become. No longer liberal, but right-wing conservative (in a bad way).
The Age Blogs: The Spin Cycle