4/5 stars With Wild Horse Nine, the fifth film of his much-heralded career, Martin McDonagh returns to the joys of his first. The director’s 2008 debut, In Bruges, was a sublimely written tale of two hitmen arguing in the picture-postcard town of the title. Similarly, his latest introduces us to two CIA operatives bickering as they head to the remote Chilean territory of Easter Island in 1973. That is not to say Wild Horse Nine – screening in competition at the Venice International Film Festival...