MAR DEL PLATA – Argentina’s Mar del Plata regular Jose Campusano bowed his latest pic, ”El Perro Molina” (Dog Molina), on Tuesday at the festival once more where it vies for a prize in the international competition section. As in his previous five films, “Twisted Romance,” “Vikingo,” “Paraiso de Sangre,” “Fango,” and “Fantasmas de la...