Yes. Michael Howard (not the dreadful and reactionary British politician, but the distinguished military historian) wrote this in today's London Times:
"Another [statement frequently made that scarcely bears critical examination] is that the attacks required resources that could only have been provided with the support of "rogue states", although it is not evident that they needed anything more than good organisation, access to open information about airline schedules, a dozen people prepared to die for their cause, and a phenomenal amount of luck."
http://www.thetimes.co.uk/article/0,,248-2001320458,00.html
C. --
----------------- Chris Brooke <editors at voiceoftheturtle.org> The Voice of the Turtle <http://voiceoftheturtle.org>