The ‘60s are similar, in that living through them apparently gave people the right to do things that are now considered morally and legally objectionable. However, the people who lived through this era of decadent drug use and sexuality are now in positions of authority requiring them to condemn today’s youth for the very same activities.

Obviously, you can’t talk about politics or religion. Those topics are bound to incite some sort of animosity in someone. But with vegetarian and vegan lifestyles taking on more prominent political significance, food may also be off limits as a discussion topic.