Lining up guests for the podcast can feel risky at times. Unless the guest is someone I know well—an acquaintance or personal friend—I’m taking a leap of faith that this person and I will have enough to talk about to keep the conversation going for the better part of an hour. The concern might be that the person isn’t interesting, or the conversation flags. Or, worse, the person’s area of expertise may not align at all with our focus on finding and living one’s authentic life. I had a small...