Possibly for the same reason Wikileaks weren't trending when they were all over the media - http://downloadsquad.switched.com/2010/12/09/twitter-trends-explaine

Possibly for the same reason Wikileaks weren't trending when they were all over the media - http://downloadsquad.switched.com/2010/12/09/twitter-trends-explained-over-wikileaks-confusion/ http://downloadsquad.switched.com/2010/12/09/twitter-trends-...