What's your definition of Treason? Violation of the Public Trust? Willful and Intentional actions (or inactions) which do harm to the US People? Given 50 days warning, the 0 billion US War Department had it well within their power to heighten airline and airport and border security to stop or hamper the tragic events on September 11, 2001.
www.smh.com.au/news/0107/20/world/world6.html
Original: Evidence of CIA Treason against US