This year Superga, an Italian brand of sports clothes and shoes, opened a major advertising campaign with a series of magazine ads that show fashionable young people saucily cavorting with European leaders _ a leggy young woman pushes her bicycle up the steps of the Elysee Palace to greet President Jacques Chirac, a young man playfully sticks his tongue out the window of the plane of the former German chancellor, Helmut Kohl.