ISLAMIST fanatics attacked us and yearn to destroy us. The Muslim civilization of the Middle East has failed comprehensively and will continue to generate violence. The only way to deal with faith-poisoned terrorists is to kill them. And the world's only hope for long-term peace is for moderate Muslims - by far the majority around the globe - to recapture their own faith. But a rotten core of American extremists is out to make it harder for them. The most repugnant trend in the American shouting match that passes for a debate on the struggle with Islamist terrorism isn't the...