LUCKY BURGER FLOATS ON And there it is, like a floating keg tossed into the water after a decades-long cookout: the empty hull of Lucky Burger. It all seems a bit forlorn, writes the Swamplot reader who sent in this photo of the tapped-out fast-food joint at the corner of Richmond and Mandell. A for-lease banner from the property’s landlord, Braun Enterprises, now covers the painted-on Lucky Burger sign on the side of the barrel. [Previously on Swamplot] Photo: Swamplot inbox