Knowledge Goes Pop

A voice on late night radio tells you that a fast food joint injects its food with drugs that make men impotent. A colleague asks if you think the FBI was in on 9/11. An alien abductee on the Internet claims extra-terrestrials have planted a microchip in her left buttock. ''Julia Roberts in Porn Scandal'' shouts the front page of a gossip mag. A spiritual healer claims he can cure chronic fatigue ...