Comedy Central's The Daily Show with Jon Stewart ran an excerpt from the Nixon White House tapes on March 9, 2006.
In this Oval Office conversation on May 13, 1971 with his chief of staff, H.R. Haldeman, and chief domestic policy adviser, John D. Erlichman, President Nixon elaborated on his view of race relations.

NB. Please be aware that this clip includes racial slurs. Listener discretion is advised.

Date:  May 13, 1971
Participants:  Richard Nixon, John Erlichman, H.R. Haldeman
Conversation Number:  498-005