Early on in “The Hateful Eight,†John Ruth (Kurt Russell) keeps repeating the line “slow like molasses.†Later on, another character informs his gang that their mission is going to take patience. This describes “The Hateful Eight†well, too: It deserves your patience. “The Hateful Eight,†the latest film by Quentin Tarantino, shows the very odd path that one of the greatest living filmmakers has decided to take. While many directors start out conventional and then experiment once they have clout, Tarantino has abandoned much of the nonlinear storytelling on which he made his name (with "Reservoir Dogs" and "Pulp...