Your favorite interviews: what are you learning about how they do it?

From now on, as you listen to / watch any interviews, especially from your favorite hosts or guests, ask yourself: What is the host doing well, that I can learn from? What is the guest doing that is effective? What are they not doing as effectively, that I can learn from? I welcome you to share your learnings below. Let's all become more effective hosts & guests, with our collective input!