Cambodia" . The Walrus . http://www.yale.edu/cgp/Walrus_CambodiaBombing_OCT06.pdf . Retrieved 29 January 2012 .   Noah, Timothy (October 7, 1999). "Nixon: I Am Not an Anti-Semite" . Slate . http://www.slate.com/articles/news_and_politics/chatterbox/1999/10/nixon_i_am_not_an_antisemite.html . Retrieved May 11, 2012 .   Sawhill, Ray (February 2011). "The Fall and Rise of an American President" . Opera News .