CHAPTER 27 (2007, directed by J.P. Schaefer, 84 minutes, U.S.) BY DAN BUSKIRK FILM CRITIC Just when you think only the most crassly commercial equations account for what films get made, you’re stuck trying to explain the appearance of a new film on rock villain Mark David Chapman. Could any public figure be less of a box-office draw? Everyone’s least favorite “Fifth Beatle” Chapman was the mentally ill assassin who vacillated between thinking he was Holden Caulfield from J.D. Salinger’s Catcher In the Rye and John Lennon, a delusion that ended with Chapman shooting down the rock icon in front […]