World: HISTORIC QUEST FOR FREEDOM

Love the Truth. Let others have their truth, and the truth will prevail.

Those words of Czechoslovakia's national hero, Jan Hus, are en graved on the base of his statue in Prague. Last week, as Soviet tanks clanked into the capital, someone limned the graven letters in red chalk so that they stood out sharply on the grey granite. The words were spoken 550 years ago, at a time when the Bo hemians, who now are known as Czechs, were trying to win a measure of re ligious and national...