Alan: Hmm... Must have been the ready availability of knives.
The same day as the slaughter at Sandy Hook, the crazy man pictured above attacked an elementary school in China. In the absence of guns, he wielded a knife. Although he injured 22 children, many of them seriously, no one was killed. http://abcnews.go.com/blogs/headlines/2012/12/22-kids-slashed-in-china-elementary-school-knife-attack/