
Council on Foreign Relations speech in 2006 ( video https://www.youtube.com/watch?v=_uXJ1mgkyF0), quoted in "Hillary Clinton In 2006: ‘Secure Our Border With… Physical Barriers’" http://www.westernjournalism.com/hillary-clinton-in-2006-secure-our-border-with-physical-barriers/ by Gerry Urbanek, Western Journalism (10 June 2016).
Senate years (2001 – January 19, 2007)