THE GREY (2011, USA, 117m, 15) ***½ Action, Adventure, Drama, Thriller dist. Open Road Films (USA), Entertainment Film Distributors (UK); pr co. Open Road Films / Inferno Distribution / Scott Free Productions / Chambara Pictures / 1984 Private Defense Contractors; d. Joe Carnahan; w. Joe Carnahan, Ian Mackenzie Jeffers (based on the short story “Ghost…