Just because they're activist groups doesn't mean you can trust them

"Fool me once, shame on you. Fool me twice, shame on me." But how about "Fool me always?" That's the mainstream media's relationship with self-styled "environmental" and "consumer" activist groups. And you wonder to what extent the media are being fooled _ as opposed to simply repeating what they want to believe.

As Brian Ross says, "I'm not a science reporter." (But he plays one on TV.)