Carolyn Casey interviews Graham Hancock on (her) The Visionary Activist show on KPFA Berkeley. Good Sh*t man, and no I'm not talking about pharma-Q-tickles as Graham calls them.
Anyway it's a good show, lots about shamanism and ayahuasca(sp), streaming and download link below:
http://kpfa.org/archives/index.php?arch=18006
Carolyn "Paint doors in the walls of the reality police" Casey's site:
http://www.visionaryactivism.com/