A carnival of carnivorous delights this week with Gary Sherman’s blood-blasted cannibal classic, ‘Death Line’ (1973). As an inbred fiend stalks the lonely platforms of the London Underground, moon-eyed copper Donald Pleasance investigates the disappearance of a government big-wig. JT takes a look at this funfest-cum-bloodfest and also considers the film’s political subtext. It’s fair to say that, for all the film's flesh-shredding hijinks, ‘Death Line’s’ appeal is much more than skin-deep…