There is something about growing up in the Golden Age of Conspiracy Theories (in my case, for example, that the Mafia/Castro/ CIA really killed President Kennedy) that turns one off to conspiracy theories for life. It’s deeply frustrating that sometimes, no matter how great the evidence to the contrary, conspiracy theories, hoaxes, rumors, and myths just won’t go away. Take, for instance, two of the earliest and most insidious rumors to begin circulating about the September 11 terror attacks: That President Bush had prior knowledge of the attacks, and that Israel secretly warned Jews to stay home that Tuesday, to...