Full documentary:
http://www.youtube.com/watch?v=N8NGDT1oPkY (http://www.youtube.com/watch?v=N8NGDT1oPkY)
Watched this a couple of years ago. Awesome documentary. My dog thought so too... I think,,,
Meh.. I'm still waiting on the Nobel Prize winning canine scholar to bark out the truth! :)