Rise of nationalism after Berlin Wall fall

Following the fall of the Berlin Wall in November 1989, open societies were triumphant and international co-operation became the dominant creed. Thirty years later, however, nationalism has turned out to be much more powerful and disruptive than internationalism, writes George Soros

The fall of the Berlin Wall on the night of November 8, 1989, dramatically and suddenly accelerated the collapse of communism in Europe.