Taking a break from the 'guns debate' and moving on to a faaaaaaaaaar less contentious subject (ahem)......
It's quite a 'dry' presentation - no snappy graphics or soundbites, but please, if you can spare 45 minutes, please please please watch this - make your own mind up having done so, but watch before deciding.
It's a talk by Professor T Colin Campbell (Cornell University) detailing his lengthy (40+ years) research into diet and it's affect (specific components of diet) on health/disease.
Yawn yawn, right? Wrong - check it out - I became vegetarian on the strength of this guys work (The China Study), and subsequently a vegan.
http://www.youtube.com/watch?v=yfsT-qYeqGM
ps see, i hardly mentioned guns!!!!!