Almost exactly a year ago, Kleber Mendonça Filho, Wagner Moura and the large cast and crew behind "The Secret Agent" turned the famed Cannes Film Festival red carpet into an impromptu carnaval parade courtesy of renowned Pernambuco frevo group Guerreiros do Passo. That homage to the rich culture of Pernambuco mirrored the four-time Oscar-nominated film's [...]