"Media Matters does an excellent job of illustrating how they use it; one will quote another, the next says something like, “its been reported that, …â€, the next will say, “everyone knows that …â€, and eventually the “fact†that ‘Bill Clinton held up airtraffic for a haircut’ or ‘Sandy Berger smuggled documents out of the national archives in his pants’ is accepted as common knowledge, even though it is pure invention"