A guy walks into a bar, orders a beer and hands over a few singles to pay for it. The bartender picks up the $1 bills and carefully scutinizes them, holding them up to the light. “What are you doing?” the guy asks. “There’s a new scam going around this holiday season,” the bartender replies. “People are passing around counterfeit $1 bills, so be careful. “So, what you’re telling me is I should keep an eye out for hot singles in my area,” the guy says.