Today, the National Journal reported that a senior State Department official has announced, “The war on terror is over.” “Now that we have killed most of al Qaida,” the source said, “now that people have come to see legitimate means of expression, people who once might have gone into al Qaida see an opportunity for a legitimate Islamism.” The article itself describes the Obama administration’s new vision of foreign policy, which admits no enemies. Everyone, in this view, is a friend. Islamism, says the Obama administration, is just fine, so long as it does not openly support terrorism. This, of...