When the news came of a bombing in the heart of downtown Oslo, many people's first reaction was to assume that it was the dreadful work of some shadowy Islamic terrorist group, intent on exacting revenge for the Norwegian government's support of various military operations in the Arab world. And when it was accompanied by word of a horrific slaughter of more than 75 innocent children at a remote island youth camp, it seemed almost impossible to wrap our minds around how someone could plan and execute such a twisted, evil vision.