For centuries the cure for a hangover has been as elusive as the quest for the Lost Ark of the Covenant, the Holy Grail, the pursuit of a better mousetrap, and construction of robotic maid like that Rosie’ on the Jetson’s, but now researchers think they might have a lead.  Oddly it might also be found in a bottle of tequila. Scientists in California and Louisiana have stumbled on somethin... more.