In the Soviet Union, where ideas, like almost everything else, are controlled by the state, the word is propaganda. In the U.S., Government officials prefer to talk of "public diplomacy," a term less offensive to free-speech sensibilities. But however they describe it, both superpowers are engaged in an all-out war of words and images aimed at winning hearts and minds around the globe.
Propaganda--the methodical spreading of information to influence public | opinion--can take many forms, from a government-approved interview in Pravda to a carefully couched answer at a Washington press conference, from a story planted in a foreign newspaper to...