I really must go check these guys out: http://drinkingliberally.org/
Heck, you guys that drink with me know that the drunker I get, the more I start mouthing off about politics. Here's some people who actually wouldn't mind.
They meet every Tuesday at the Dog & Duck at 6:30 to "promote democracy one pint at a time." They also have a web forum here: http://drinkingliberally.org/forum/viewforum.php?f=54
In the unlikely event I already have out-of-town readers, note that there are chapters around the nation. Or you could start your own!