Undead UprisingBy: John Cussans Tracking the zombie from Hollywood back to its origins in the voodoo folklore of Haiti. There are zombies among us! From the rotting hordes of TV's The Walking Dead to the blockbuster nightmares of World War Z and 28 Days Later, our popular culture is overrun with the ravenous undead. But where do these strange creatures come from, and what peculiar tales of mesmerism, freemasonry, pig sacrifice and revolution would they tell if they