Diane Sawyer Vs. Katie Couric: Handicapping The Coming "Catfight"

When Diane Sawyer replaces Charlie Gibson as anchor of ABC's World News Tonight, two of the big three nightly newscasts will be headed by women. We know what that means: "catfight" stories all over the media. » 9/02/09 4:40pm 9/02/09 4:40pm