Americans are no wiser than the Europeans who saw democracy yield to fascism, Nazism, or communism. Our one advantage is that we might learn from their experience. Now is a good time to do so. Here are twenty lessons from the twentieth century, adapted to the circumstances of today...

Click through for a description of each point.

1. Do not obey in advance.
2. Defend an institution.
3. Recall professional ethics.
4. When listening to politicians, distinguish certain words.
5. Be calm when the unthinkable arrives.
6. Be kind to our language.
7. Stand out.
8. Believe in truth.
9. Investigate.
10. Practice corporeal politics.
11. Make eye contact and small talk.
12. Take responsibility for the face of the world.
13. Hinder the one-party state.
14. Give regularly to good causes, if you can.
15. Establish a private life.
16. Learn from others in other countries.
17. Watch out for the paramilitaries.
18. Be reflective if you must be armed.
19. Be as courageous as you can.
20. Be a patriot.