saudi's $700 billion US investment in 30 years:
www.aliciapatterson.org/APF001975/Crowe/Crowe09/Crowe09.html
www.saudi-american-forum.org/Newsletters/SAF_Essay_22.htm

decline of the mid-west:
www.aliciapatterson.org/APF2102/Coffman_Anthan/Coffman_Anthan.html