He was joking. Everyone laughed. They got the joke. No harm done.But let’s never hear this joke again, okay, Romney staffers? Mitt Romney sat at the head of the table at a coffee shop here on Thursday, listening to a group of unemployed Floridians explain the challenges of looking for work. When they finished, he weighed in with a predicament of his own.“I should tell my story,” Mr. Romney said. “I’m also unemployed.”He chuckled. The eight people gathered around him, who had just finished talking about strategies of finding employment in a slow-to-recover economy, joined him in laughter.“Are you on...