I have always thought the real author of the "wall" is Hillary Clinton.
Jamie Gorelick is on the 9/11 Commission for the exact same reason she was put into the position of Deputy Attorney General. It's all about the Clintons.
As for who really ordered the wall erected, thankfully we have Senators who do their jobs and will find out:
http://www.cornyn.senate.gov/news/record.cfm?id=220753 WASHINGTON – U.S. Sens. John Cornyn (R-Texas) and Lindsey Graham (R-S.C.) wrote U.S. Attorney General John Ashcroft Monday requesting that the Department of Justice “produce any records relating to Deputy Attorney General (Jamie) Gorelick’s involvement in the development and promulgation of Attorney General Reno’s Procedures for Contacts Between the FBI and the Criminal Division Concerning Foreign Intelligence and Foreign Counterintelligence Investigations.”