John Oliver discusses the ongoing chaos surrounding Donald Trump and tariffs, and why it's important to understand exactly how stupid the past week has been. Plus: Some stuff about fish having sex, why a doorbell is involved, and one very special guest.John Oliver discusses the ongoing chaos surrounding Donald Trump and tariffs, and why it's important to understand exactly how stupid the past week has been. Plus: Some stuff about fish having sex, why a doorbell is involved, and one very special guest.