Thousands protest summit in Canada; vandals smash windows, torch police cars

http://www.foxnews.com/world/2010/06/26/police-say-protests-canadian-summits-tamer-previous-summits/

So, does this prove PM Harper right for spending all that money on security? Or are they feeling the need to act up because he spent all that money? I'm wondering who will argue #2. Chicken or egg. Egg or chicken...