In previous books, Holocaust historian Timothy Snyder dissected the events and values that enabled the rise of Hitler and Stalin and the execution of their catastrophic policies. With Twenty Lessons, Snyder draws from the darkest hours of the twentieth century to provide hope for the twenty-first. As he writes, "Americans are no wiser than the Europeans who saw democracy yield to fascism, Nazism and communism. Our one advantage is that we might learn...

"Nineteen sixty-eight was a pivotal year that grew more intense with each day. As thousands of Vietnamese and Americans were killed in war, students across four continents took over colleges and city streets. Assassins murdered Dr. King and Robert F. Kennedy. Demonstrators turned out in Prague and Chicago, and in Mexico City, young people and Olympic athletes protested. In those intense months, generations battled and the world wobbled on the edge...