This was Politico’s attempt to explain one man’s evil deed: “He fell victim to an increasingly common, sometimes overwhelming, temptation that the online world offers up to exhibitionists.” When in doubt, Politico informs us, blame the internet and some kind of personal identity. The identity in question is ‘exhibitionist’; that’s just what he is. It’s not something he does that is wrong, but an immutable part of his personal identity. And if you give someone who has that kind of identity a twitter account, then the inevitable follows and who can blame him? If anything is to blame it is the ‘online world’, a kind of playground for his type.…