People with synesthesia perceive the world very differently from the rest of us. Their senses merge so that sounds might also have tastes. The days of the week may be different colors. Numbers and letters might correspond to musical notes. This final installment in our summer series of archive interviews is especially meaningful to Julie because it drives home how two people can look at the same thing and see it very differently. What can the science of synesthesia teach us about navigating divisive issues we feel strongly about?