Gary Hart was a U.S. senator from Colorado, 1975-87. Sen. Hart was a Democratic presidential candidate in 1984 and 1988. He co-chaired, with Sen. Warren Rudman (R-NH), the U.S. Commission on National Security for the 21st Century (1998-2001). The following interview was conducted by Gareth Porter, an independent historian and foreign-policy analyst, on October 12, 2005 (see his article “A Responsible Exit Strategy” in Middle East Policy, Vol. XII, No. 3, fall 2005).