After weeks of speculation and debate, David Letterman announced Monday he had agreed to stay on CBS for another five years. The move ends efforts by ABC to woo the late-night talk show host to their network.

It's the electronic version of an old-fashioned newspaper circulation war, with the nation's three all-news cable channels locked in a competition for viewers. Terence Smith surveys the battle lines.

Despite coverage of Afghanistan, a new survey by the group Doctors Without Borders finds a long list of key stories receiving little or no coverage in the U.S. media. Terence Smith discusses some of these stories with the executive director…

Terence Smith and Bill Carter of the New York Times discuss the negotiations between David Letterman and ABC that could potentially displace "Nightline" with Ted Koppel.

After hearing the news that Wall Street Journal reporter Daniel Pearl was killed, Pakistani President Pervez Musharraf vowed an all-out manhunt for his kidnappers.