Confirmation that 'Stewart Home' is not alone (so to speak) in populating (anti-)social networking sites with pathological quasi-doubles, incubi, revenants or whatever else.  Cornwall police claim that schoolchildren have been 'impersonating paedophiles' on MSN and Bebo chatrooms in an evil plot to scare 'rival'[sic] kids.  Are these the same chatrooms that the ever-vigilant, Hardworking Families-friendly Guardian recently warned have had their Family Filters hacked to pieces by precocious but somehow still defenceless infants?  And how, exactly, doe