it is a film that will have people walking out halfway through , will encourage others to stand up and applaud , and will , undoubtedly , leave both camps engaged in a ferocious debate for years to come .
es una película que hará que la gente salga a mitad de camino, animará a otros a ponerse de pie y aplaudir, y, sin duda, dejará ambos campos envueltos en un debate feroz por años por venir.