Mary Penner offers some good advice in her column today about conducting family interviews—advice like, "Don't waterboard your kin."
The Accusatory Interview You're not an investigative reporter. Don't try to make your relatives squirm and squash them into an awkward ancestral corner.
Sure, you may have good reason to believe the rumors about your great-grandfather's run-in with the law. But if your relative insists it isn't so or feigns ignorance, don't press him or her. You can get the information from some other source. [Link]