The letter from Vaclav Havel, Arpad Göncz and Lech Walesa published on this page today is a particularly telling attack on the Cuban dictatorship. The signatories are former presidents, respectively, of the Czech Republic, Hungary and Poland, and each played a determining role in freeing his country from the Soviet yoke. They believe that the Stalinist regime in Havana is running short of breath, and call on the United States, Europe and Latin America to step up diplomatic pressure on it. The Europeans, they argue, should establish a "Cuban Democracy Fund" to support the emergence of a civil society. The...