Although this is our third election in four years (2004, 2006, 200 Harper has said in an interview:

Quoted Text

Harper foresees another election relatively soon.  "Obviously the Parliament won't last four years," he told CTV television on Sunday.

I would have rather heard something like "We'll make it work this time".  But this defeatist attitude sounds more like whining about not getting a majority.
Source: http://ca.news.yahoo.com/s/reuters/081013/canada/canada_us_politics