Cho Seung Hui in Hindsight

[Ross] I was initially inclined to agree with Megan, and dismiss the notion that the Virginia Tech tragedy should have been averted by, say, an alert creative-writing teacher as a classic case of hindsight bias. Maybe I still do - but the more I read, the more it seems like somebody should have done, well, more than they did to protect themselves and others from Cho Seung Hui, and protect him from himself. Rich Lowry has a good roundup here.