It seems to piss off people that Francis Ford Coppola, 70, has returned to his roots to make intimate, self-financed films that inspire him while Hollywood would prefer another sequel to The Godfather. Tetro, following 2007's Youth Without Youth, is another finger in the face of the suits. Shot in Argentina with widescreen black-and-white images that take your breath away, Tetro is a drama about family secrets. Gifted newcomer Alden Ehrenreich plays Bennie, a young cruise-ship worker who hops…