How a clueless "terrorism expert" set media suspicion on Muslims after Oslo horror

Immediately after news of the bombing of government buildings in Norway’s capital Oslo, the Internet buzzed with speculation about who might have done it and why. Most speculation focused on so-called Islamist militancy and Muslims. The urge to speculate after grave events is understandable, but the focus of speculation, its amplification through social media, its legitimization in mainstream media, and the privilege granted to so-called experts is a common pattern.