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:

qz.com/846940/a-yale-history-professors-20-point-guide-to-defending-democracy-under-a-trump-presidency/

Timothy Snyder
Housum Professor of History at Yale University