Americans have historical amnesia of a general variety, but the blackout is particularly acute when it comes to what our grandparents, and their grandparents, did to get high. Forty years after Woodstock, the nation is taking a fresh look at its twisted relationship with drugs and insobriety. But we're doing so without drawing lessons from the centuries of experience we have with inebriation and the effort to control it. Five widespread myths must be dispensed with if America ever plans on sobering up and making rational drug policy.