The reruns air occasionally (depending on the rest of the late-night programming) around 3:15 AM.

The position includes responsibility for the network's daytime, children's and late-night programming.

Otherwise, only daytime and late-night programming will be affected.

"Our late-night programming now costs between $25 million and $30 million," Brockman says of the annual budget.

For late-night programming, that data could benefit the cable networks and their growing audiences of young people.

The decision left the Fox network with no original late-night programming for the first time since the 1994-95 season.

Mr. Leno is the ratings leader in late-night programming.

CBS could also be hurt in late-night programming.

A senior NBC executive, long associated with late-night programming, sought a comparison.