News consumers on the US East Coast can be forgiven for nervously glancing over their shoulders in search of that 20-foot wave of crystal meth rolling toward them out of the Midwest, leaving in its wake a shattered landscape of trailer parks turned into toxic dumps, runny-nosed neglected toddlers clutching worn teddy-bears, and good parents turned into crazed, toothless tweakers who take time off from cooking more meth only to commit heinous crimes, steal more supplies, or have sex with their children. After all, this is, with only a little exaggeration, the message trumpeted by an ever louder cacophony of...