Police say a man who allegedly pistol-whipped an employee at a dollar store during an armed robbery in Fort Lauderdale, Florida, last week is in jail thanks to the actions of an armed good Samaritan. The story is yet another example of how risky it is becoming for criminals who the anti-gun left would prefer to be the only ones in our society who are armed. But waving a gun around no longer puts criminals as those solely in command of situations…