Not a whole lot happens in Arlington, Virginia during the month of August, so when two Fish and Wildlife law enforcement agents get assigned a case to track down the cause of Thailand's disappearing king cobra population, they're not in much of a hurry, nor are they excited about what they are certain is a wild goose chase. With a rookie sidekick, they figure it's the same old story: poachers running wild in the wild. Still, the U.S. Secretary of...