In “Glorious,” J.K. Simmons plays the voice of an ominous Lovecraftian god lurking behind the glory hole of a random roadside restroom. That’s practically all the pitch Shudder audiences need to sample this not-nearly-as-sick-as-it-sounds oddity from genre-movie superbrain Rebekah McKendry, whose expertise in all things horror outstrips her knowledge of the basics of men’s bathrooms […]