BLACK CARAVAN IMPRINT: ``S* gets downright nasty in here on Black Friday.`` Black Friday is the biggest shopping day of the year. Millions of Americans pack the aisles of retail outlets all over the country battling for the best bargains. While an unlucky clean-up crew deals with the aftermath of the latest Black Friday frenzy, they discover that years of pent-up negative energy has released something very evil and dark into their superstore, which is just the way corporate wanted (W) Jon Clark (A/CA) Travis Williamson