Unlike their mellow brethren in San Francisco, the half-dozen or so medical marijuana clubs that have sprouted up in the urban no-man's-land between San Leandro and Hayward have turned into something out of the Wild West. There's been a rash of armed robberies, a shootout that left one robber dead, and the possible attempted hit of a worker for cooperating with police. "I don't think this is what the voters had in mind when they passed the medical pot law, but that's what we're dealing with," said Alameda County Sheriff's Lt. Dale Amaral, whose Eden Township beat includes the 2...