1. It is an older study - those in game have known about it for a fairly long time. That is not to say that it isn't a good study.
2. It is not a Harvard study but published in one of their journals.
3. Gary Mauser is a great guy. I know him quite well and he didn't start out as a Canadian. But that is irrelevant as there are Canadians who are strongly progun.
4. Kates, Gary and I have broken bread together and shared research work. Gary and I have shot in various places in the USA as well as sharing a Wolfgang Puck's pizza.
The comment about libs is silly. You really don't know the politics of these guys. So as said repeatedly, keep off that. Many of our strongest academic progun advocates have liberal politics.