Touching on these elements with care can produce transformative gatherings, because you can dig below the typical conversation into the bedrock of values. To address these areas of heat, you need to know where they are. Thus you make a heat map. You can do this by asking yourself (and others) the following questions: What are people avoiding that they don’t think they’re avoiding? What are the sacred cows here? What goes unsaid? What are we trying to protect? And why?