Well, just when you thought you were sure there were some things you did know, a story comes along that throws all that into question. As Firesign said, "Everything you know is wrong." Well, try this one on for size. Alexander Cockburn of The Nation's Beat the Devil column and Counterpunch lays out the most comprehensive argument I've seen about humans not being the cause of global warming. The planet's still heating up, says he and the geologists and other scientists he cites. But us humble creatures may not be able to take all the credit. And there's political implications, too. Read away, friends: Dissidents Against Dogma