All over the world, disenchantment with governments of every coloration seems to have become epidemic. As a result, no "in" regime can feel very secure. Few parties have been more in than Sweden's Social Democrats, who have held power for 36 years and consequently seemed ripe for a fall. Last week, in an unprecedentedly heavy turnout (89%), Sweden's voters not only returned the party to power but also gave it a parliamentary majority for the first time since World War II.
What kept the Social Democrats upright more than anything else was Russia's invasion of Czechoslovakia, which encouraged countless...