One bad girl among many

As the Royal Opera House, Covent Garden, prepares to stage "Anna Nicole," Mark-Anthony Turnage's new opera on Anna Nicole Smith, the pole dancer-turned-trophy wife who for a time was femme fatale-in-residence of the tabloids, The Independent's Mark Pappenheim samples the baddest girls of operatic history, from Monteverdi's Poppea to Berg's Lulu:

http://www.independent.co.uk/arts-entertainment/theatre-dance/news/deadly-divas-the-baddest-sexiest-women-in-opera-2205730.html

Inquiring minds want to know: Why did Pappenheim omit Carmen?