Perception is reality
The news — e.g. the commentary that you see on the TV or read in newspapers and magazines is a commodity and just like any other kind of commodity it is perishable and thus must be sold by its sell-by date. By 'sold' I mean distributed or broadcast. Describing the 'news' as a commodity that is bought and sold may sound counter-intuitive but it's true and because of its perishability, there is a constant pressure