IN A SHOWDOWN of stinking-rich playboys who have invented their identities, who would emerge with more swag, if not swagger?
The winner: Tony Stark held off the strong debut of Jay Gatsby, as the rich got richer at the weekend box office.
Robert Downey Jr.'s wealthy playboy helped Disney/Marvel's "Iron Man 3" gross $72.5-million in its second week in North American theaters, topping Leonardo DiCaprio's wealthy playboy in Warner Bros.'s "The Great Gatsby," which bowed in with $51.1-million, acco
