A Few Notes on the Norwegian Terror Attacks
Maybe we shouldn't jump to conclusions about the identity of a terrorist ahead of evidence.
According to Richard Pape, terrorist actions are frequently in response to a perceived occupation by foreigners. This fits the pattern, although it was someone from a different ignorant army this time.
One possible response is to tighten access to anything that might be used for an attack. If somebody starts a terror attack by using household cleaning supplies, will we ban bleach or ban rust remover?