Newly released on collectable Blu-ray, The Long Goodbye (1973, directed by Robert Altman) is the kind of film you feel ashamed for not watching more often. Starring Elliot Gould as Raymond Chandler’s pulp private dick Phillip Marlowe, this is a quirky, very seventies re-imagining of the Humphrey Bogart man-in-a-trenchcoat myth. The film is contemporary set, yet Gould’s Marlowe is a man out of place and time. Everything from his car to apartment to clothes is indicative of the P.I’s golden age; a world of cocktails, dames and pinstripe suits, not cat food, hippies and polyester. Hollywood’s effortless private detective was created in the post-Prohibition era of the 1930s-40s, and into…