In 2004, Falk wrote the preface to David Ray Griffin's book The New Pearl Harbor: Disturbing Questions About the Bush Administration and 9/11 which maintains that the George W. Bush administration was complicit in the September 11 attacks.
Im Jahr 2004 schrieb Falk das Vorwort zu David Ray Griffins Buch The New Pearl Harbor: Disturbing Questions About the Bush Administration und 9/11, in dem behauptet wird, dass die George W. Bush-Administration an den Terroranschläge am 11. September 2001 beteiligt gewesen sei.