‘The Power of the Dog’ – an intense, disturbing psycho-drama

British actor Benedict Cumberbatch is generally known for playing urbane Englishmen. In his latest role, in Jane Campion’s powerfully compelling film The Power of the Dog, he dons a Stetson and riding chaps to portray Phil Burbank, a tough, hardbitten cowboy who, with his brother George, runs a wealthy ranch in remote Montana.  As is…