Ted Koppel, managing editor of ABC's "Nightline" news program from 1980 to 2005, says it brings sadness to see the television networks drowning viewers in a flood of opinions designed to confirm their entrenched biases. Its good financially for the networks, he says, but not good for the American republic. He acknowledges the realities of today's journalism- scores of media options, a million or more clusters of consumers, who are harvesting as he puts it, information and news from like-minded providers. That is the way news and information is served up nowadays. And as he points out the shift of news from a public service to a profitable commodity is irreversible. At the same time talk is cheap, and the tendency for strongly held but unsubstantiated views is very prevalent. And yet the need for clear unobjective reporting is greater today than ever before. Covering news in other countries is now more needed than before, but foreign bureaus are expensive and such news harder to collect. As a result many foreign bureaus have seen severe cuts or were closed. Koppel cites Daniel Patrick Moynihan's observation that "everyone is entitled to his own opinion, but not his own facts."...