David Cronenberg’s latest film, Eastern Promises, bears a handful of the director’s trademarks. Some scenes of violence are blunt, though it is not yet time for our William Tell routine. The plot is tense and (obviously) leads to an ambiguous ending. Viggo Mortensen’s tragic hero, Nikolai, earns the sympathy of the audience because of his subdued performance. Questions of commitment arise from both sides of the ledger: how far will you go to achieve your goals? «Peut ce qui veut.» Values are vague — like other recently reviewed films, less separates good and evil than it first seems. One decision …