Movie Moles Jan Haaken and Laurie Mercier review and fact-check the current film Frost/Nixon.  They review the real history of the famous interviews, and ask whether getting public officials to confess their crimes is as important as seeing what's wrong with the structures that give them their power. 

To hear the real deal (the Nixon tapes), try the following sites:

User-friendly selected Nixon tapes re Watergate:
http://www.lib.berkeley.edu/MRC/watergate.html
 
Most extensive digital collection of Nixon tapes available online:
http://www.nixontapes.org/index.htm