Halloween approaches, and there are zombies everywhere. I’m wondering: How do you kill a zombie? Is it even possible to kill a zombie? After all, they are already dead. They get shot full of holes, ...

Nobel Prize-winning economist Paul Krugman popularized the concept of zombie ideas – constructs that are not really alive, but somehow simply will not die. He literally wrote a book on the topic. The ...

Jeff Jacoby is understandably appalled that so many bad ideas continue, despite their long and unblemished records of destructiveness, to attract new adherents (“Why won’t zombie bad ideas stay buried ...