Until, that is, CBS News unveiled its "60 Minutes" news magazine in 1968. When, after three years or so, "60 Minutes" turned a profit (something no television news program had previously achieved), a light went on, and the news divisions of all three networks came to be seen as profit centers, with all the expectations that entailed.
From: Ted Koppel: Olbermann, O'Reilly and the death of real news