When security guards at the Beaver Valley Power Station discovered a bag containing thousands of dollars in a tractor-trailer cab, one of the vehicle's occupants told them his boss planned to use the cash to buy a truck. It must have been some truck. State police said the bag, which guards spotted on Tuesday while conducting a routine search of the tractor-trailer at the entrance to the nuclear power plant, contained 10 plastic-wrapped bundles of cash totaling $504,230. Police later seized the money and bag after a dog trained to detect drugs sniffed and reacted to the bag, indicating contact...