Protest: Pacifist Raids

It was 6 p.m., and Moscow's Pushkin Square was thronged with workers heading homeward for their evening borsch. Suddenly two pacifists, an American girl and an Englishman, appeared and began handing out leaflets in Russian urging the startled recipients to take "any peaceful action in your power" to bring about the withdrawal of Soviet and other Warsaw Pact troops from Czechoslovakia.

"Why are you doing this?" asked a woman in the fast-swelling crowd. Speaking in hesitant Russian, 24-year-old New Yorker Vicky Rovere answered: "Because of my conscience." It was not a satisfactory...