I thought this was an excellent episode about guilt and the coddling of the rich - how people who are never challenged on anything react when they finally are, and how easily it is for them to resume that coddled life.

The question I have is whether the husband was lying about having talked to the cab driver's professor. He could've made the whole thing up in order to ease his wife's guilt and shake her out of her depression. He asks her if she wants to construct this persona of herself being a cruel, insensitive boss to the maid. Seems like she could just as easily construct an image of herself as someone who was blameless, and in fact could've done the world a favor by setting the chain of events in motion that ended in the cabbie's death.