He was one of the signers of the Project for the New American Century (PNAC) documents Statement of Principles (June 3, 1997) and a letter on terrorism submitted to President George W. Bush (September 20, 2001).
Ia merupakan salah satu penandatangan Statement of Principles dari Project for the New American Century (PNAC, 3 Juni 1997) dan surat tentang terorisme yang dikirimkan ke Presiden George W. Bush (20 September 2001).