Klan. it was about economic transition, uncertainty, a fear of the other that somehow people that did not look like us or sound like us, meaning white anglo were going to take those jobs, take over the country. we have been in these moments of transition before and ultimately, usually with presidential leadership on the good side as opposed to the exacerbating side, we've come through. >> you talk about how fear is the facilitating factor. it's easy to lash out and you talk in your book about a case, the most heartbreaking case because it's about a good man that did a bad thing. franklin roose...