I haven't listened to this yet, but I doubt if he found the soul of America in DC - just a feeling I have.
Episode 58 - El Chupacabra / Bob Fingerman. Marc Maron, WTF with Marc Maron Podcast (March 25 2010): http://wtfpod.libsyn.com/index.php?post_id=596953 and http://media.libsyn.com/media/wtfpod/WTF_-_EPISODE_58.mp3
By popular demand, Marc welcomes El Chupacabra back to WTF. Plus, artist and writer Bob Fingerman takes a unique look at the end of the world (forward by Marc Maron). And Marc searches for the soul of America as he wanders around Washington, DC.