Office chat boundaries

Some subjects still aren't acceptable discussion topics, at least in the workplace, according to the Wall Street Journal:

Even today, when actors routinely have sex on TV and the headlines feature sensitive topics ranging from libido-enhancing drugs to euthanasia, there are some things bosses and co-workers just don't want to know. But what are those things? A societal shift toward more diversity in lifestyles has changed the rules on what is OK to talk about at work and what isn't. ...