An expert doesn’t so much argue the various sides of an issue as plants his flag firmly on one side. That’s because an expert whose argument reeks of restraint or nuance often doesn’t get much attention. An expert must be bold if he hopes to alchemize his homespun theory into conventional wisdom. His best chance of doing so is to engage the publics emotions, for emotion is the enemy of rational argument. And as emotions go, one of them - fear - is more potent than the rest...The first trick of asking questions is to determine if your question is a good one. .. It would be silly to argue that conventional wisdom is never true. But noticing where the conventional wisdom may be false - noticing, perhaps, the contrails of sloppy or self-interested thinking - is a nice place to start asking questions.