A masked thug made the fatal mistake of trying to steal a firearm from a gun store while armed with a hammer. The incident took place at a gun store in Livermore, California, on Sunday, police said. It will be no surprise to regular Slay News readers that the gun store owner knew his Second Amendment rights and was ready a willing to exercise them. Unfortunately, there are no prizes for guessing that it didn’t end well for the would-be robber. Obviously, when the crook pulled a hammer on the store owner, he was shot dead. Police said their investigation...