Article: The whole world is watching CNN. (Cable News Network)

The bus shelter ads say, "CNN: NOW MORE THAN EVER." They have a point. Indispensable and omnipresent during the gulf war, Ted Turner's Cable News Network now looks to be. the future of TV news. But what kind of future will it be? The answer depends on which of its many identities CNN is inhabiting at a given time (or place).

For Americans with cable, CNN serves as a video wire service, offering constant updates on the news. It's also an instant delivery system for dramatic footage from around the globe. In a crisis it becomes a kind of video bulletin board where key players can post messages to one another in full view of the world. With its growing international ...

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